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#include <iostream>
#include <string>
#include <cmath>
using namespace std;
void startProgram();
void firstSelect(char);
void geometrySelect(char);
void triangleSelect(char);
void rightTriangleSelect(char);
void equilateralTriangleSelect(char);
void differentSideTriangleSelect(char);
void circleOnATriangleSelect(char);
void circleInATriangleSelect(char);
void polygonsSelect(char);
void parallelogramSelect(char);
void trapezoidSelect(char);
void rhombusSelect(char);
void rectangleSelect(char);
void squareSelect(char);
void arithmeticSelect(char);
void measurementUnitsConverterSelect(char);
void weightMeasurementUnitsSelect(char);
void lenghtMeasurementUnitsSelect(char);
void volumeMeasurementUnitsSelect(char);
void timeMeasurementUnitsSelect(char);
void equationSelect(char);
void mathematicalOperationsSelect(char);
class Triangle{
public :
int firstPage;
int secondPage;
int thirdPage;
double firstPage1;
double secondPage1;
double thirdPage1;
double stem;
double height;
double radius;
double perimeter;
void triangle_perimeter(){
int first_page, second_page, third_page;
cout << "\nEnter triangle first page - ";
cin >> first_page;
cout << endl;
cout << "Enter triangle second page - ";
cin >> second_page;
cout << endl;
cout << "Enter triangle third page - ";
cin >> third_page;
cout << endl;
this->firstPage = first_page;
this->secondPage = second_page;
this->thirdPage = third_page;
}
void triangle_area(){
double stem, height;
cout << "\nEnter triangle height - ";
cin >> stem;
cout << endl;
cout << "Enter triangle stem - ";
cin >> height;
cout << endl;
this->height = height;
this->stem = stem;
}
int getTrianglePerimeter(){
return (firstPage + secondPage + thirdPage);
}
double getTriangleArea(){
return (stem*height)/2;
}
};
class RightTriangle: public Triangle{
public:
void right_triangle_area(){
double right_first_page, right_second_page;
cout << "\nEnter first straight page - ";
cin >> right_first_page;
cout << endl;
cout << "Enter second straight page - ";
cin >> right_second_page;
cout << endl;
this->height = right_first_page;
this->stem = right_second_page;
}
};
class EquilateralTriangle: public Triangle{
public :
void equilateral_area(){
double triangle_page;
cout << "\nEnter triangle page - ";
cin >> triangle_page;
cout << endl;
this->firstPage1=triangle_page;
}
double getEquilateralArea(){
return (pow(firstPage1, 2)*(sqrt(3)/4));
}
};
class CircleOnATriangle: public Triangle{
public :
void circle_on_a_triangle_area(){
double first_page, second_page, third_page, radius1;
cout << "\nEnter first page of triangle - ";
cin >> first_page;
cout << endl;
cout << "Enter second page of triangle - ";
cin >> second_page;
cout << endl;
cout << "Enter third page of triangle - ";
cin >> third_page;
cout << endl;
cout << "Enter radius of the circle - ";
cin >> radius1;
cout << endl;
this->firstPage1 = first_page;
this->secondPage1 = second_page;
this->thirdPage1 = third_page;
this->radius = radius1;
}
double getCircleOnATriangleArea(){
return ((firstPage1 * secondPage1 * thirdPage1) / (4 * radius));
}
};
class CircleInATriangle: public Triangle{
public :
void circle_in_a_triangle_area(){
double first_page, second_page, third_page, radius1;
cout << "\nEnter first page of triangle - ";
cin >> first_page;
cout << endl;
cout << "Enter second page of triangle - ";
cin >> second_page;
cout << endl;
cout << "Enter third page of triangle - ";
cin >> third_page;
cout << endl;
cout << "Enter radius of the circle - ";
cin >> radius1;
cout << endl;
this->firstPage1 = first_page;
this->secondPage1 = second_page;
this->thirdPage1 = third_page;
this->radius = radius1;
}
void circle1_in_a_triangle_area1(){
double perimeter1, radius1;
cout << "\nEnter perimeter of the triangle - ";
cin >> perimeter1;
cout << endl;
cout << "\nEnter radius of the circle - ";
cin >> radius1;
cout << endl;
this->perimeter = perimeter1;
this->radius = radius1;
}
double getCircleInATriangleArea(){
return (radius * ( (firstPage1 + secondPage1 + thirdPage1) / 2));
}
double get1CircleInATriangleArea1(){
return (radius * (perimeter/2));
}
};
class Polygons{
public :
int firstPage;
int secondPage;
int thirdPage;
int fourthPage;
double firstPage1;
double secondPage2;
double height;
int getOnePagePerimeter(){
return (4 * firstPage);
}
int getTwoPagePerimeter(){
return (2 * (firstPage + secondPage));
}
int getFourPagePerimeter(){
return (firstPage + secondPage + thirdPage + fourthPage);
}
int getPolygonsArea(){
return (firstPage * secondPage);
}
};
class Parallelogram: public Polygons{
public :
void parallelogram_perimeter(){
int first_page, second_page;
cout << "Enter parallelogram first page - ";
cin >> first_page;
cout << endl;
cout << "Enter parallelogram second page - ";
cin >> second_page;
cout << endl;
this->firstPage = first_page;
this->secondPage = second_page;
}
void parallelogram_area(){
int stem, height;
cout << "Enter parallelogram stem page - ";
cin >> stem;
cout << endl;
cout << "Enter parallelogram heigt - ";
cin >> height;
cout << endl;
this->firstPage = stem;
this->secondPage = height;
}
};
class Rectangle: public Polygons{
public :
void rectangle_perimeter(){
int first_page, second_page;
cout << "Enter rectangle first page - ";
cin >> first_page;
cout << endl;
cout << "Enter rectangle second page - ";
cin >> second_page;
cout << endl;
this->firstPage = first_page;
this->secondPage = second_page;
}
void rectangle_area(){
int first_page, second_page;
cout << "Enter rectangle first page - ";
cin >> first_page;
cout << endl;
cout << "Enter rectangle second page - ";
cin >> second_page;
cout << endl;
this->firstPage = first_page;
this->secondPage = second_page;
}
};
class Square: public Polygons{
public :
void square_perimeter(){
int page;
cout << "Enter square page - ";
cin >> page;
cout << endl;
this->firstPage = page;
}
void square_area(){
int page;
cout << "Enter square page - ";
cin >> page;
cout << endl;
this->firstPage = page;
this->secondPage = page;
}
};
class Rhombus: public Polygons{
public :
void rhombus_perimeter(){
int page;
cout << "Enter rhombus page - ";
cin >> page;
cout << endl;
this->firstPage = page;
}
void rhombus_area(){
int first_page, second_page;
cout << "Enter rhombus page - ";
cin >> first_page;
cout << endl;
cout << "Enter rhombus height - ";
cin >> second_page;
cout << endl;
this->firstPage = first_page;
this->secondPage = second_page;
}
void rhombus_area1(){
double diagonal1, diagonal2;
cout << "Enter rhombus first diagonal - ";
cin >> diagonal1;
cout << endl;
cout << "Enter rhombus second diagonal - ";
cin >> diagonal2;
cout << endl;
this->firstPage = diagonal1;
this->secondPage = diagonal2;
}
double getRhombusArea(){
return ((firstPage1 * secondPage2) / 2);
}
};
class Trapezoid: public Polygons{
public :
void trapezoid_perimeter(){
int first_page, second_page, third_page, fourth_page;
cout << "Enter trapezoid first page - ";
cin >> first_page;
cout << endl;
cout << "Enter trapezoid second page - ";
cin >> second_page;
cout << endl;
cout << "Enter trapezoid third page - ";
cin >> third_page;
cout << endl;
cout << "Enter trapezoid fourth page - ";
cin >> fourth_page;
cout << endl;
this->firstPage = first_page;
this->secondPage = second_page;
this->thirdPage = third_page;
this->fourthPage = fourth_page;
}
void trapezoid_area(){
double first_stem, second_stem, height1;
cout << "Enter trapezoid little stem - ";
cin >> first_stem;
cout << endl;
cout << "Enter trapezoid big stem - ";
cin >> second_stem;
cout << endl;
cout << "Enter trapezoid height - ";
cin >> height1;
cout << endl;
this->firstPage1 = first_stem;
this->secondPage2 = second_stem;
this->height = height1;
}
double getTrapezoidArea(){
return (((firstPage1 + secondPage2) * height) / 2);
}
};
int main(){
char select;
startProgram();
firstSelect(select);
return 0;
}
// Program start
void startProgram(){
cout << "Hello, I'm a smart calculator!" << endl;
cout << "I will try to contact you in a language you understand!" << endl;
cout << "Please when making a selection enter the character that is in quotation marks!" << endl;
cout << "If everything understand we can start!" << endl;
}
// Make the first choice
void firstSelect(char first_select){
cout << "\nSelect what you want!" << endl;
cout << "Geometry - 'G'\nArithmetic - 'A'" << endl;
cout << "Enter the selected character - ";
cin >> first_select;
if(first_select == 'G'){
geometrySelect( first_select);
}else if(first_select == 'A'){
arithmeticSelect(first_select);
}else{
cout << "\nWrong character!" << endl;
firstSelect(first_select);
}
}
// Make the geometry choice
void geometrySelect( char geometry_select){
cout << "\nSelect what you want!" << endl;
cout << "Triangle - 'T'\nPolygons - 'P'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> geometry_select;
if(geometry_select == 'T'){
triangleSelect(geometry_select);
}else if(geometry_select == 'P'){
polygonsSelect(geometry_select);
}else if(geometry_select == 'B'){
firstSelect(geometry_select);
}else{
cout << "\nWrong character!" << endl;
geometrySelect(geometry_select);
}
}
// Make the triangle choice
void triangleSelect(char triangle_select){
cout << "\nSelect what you want!" << endl;
cout << "Right triangle - 'R'\nEquilateral triangle - 'E'\nDifferent side triangle - 'D'\nCircle on a triangle - 'O'\nCircle in a triangle - 'I'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> triangle_select;
if(triangle_select == 'R'){
rightTriangleSelect(triangle_select);
}else if(triangle_select == 'E'){
equilateralTriangleSelect(triangle_select);
}else if(triangle_select == 'D'){
differentSideTriangleSelect(triangle_select);
}else if(triangle_select == 'O'){
circleOnATriangleSelect(triangle_select);
}else if(triangle_select == 'I'){
circleInATriangleSelect(triangle_select);
}else if(triangle_select == 'B'){
geometrySelect(triangle_select);
}else{
cout << "\nWrong character!" << endl;
triangleSelect(triangle_select);
}
}
// Make the right triangle choice
void rightTriangleSelect(char right_triangle_select){
cout << "\nSelect what you want!" << endl;
cout << "Perimeter - 'P'\nArea - 'A'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> right_triangle_select;
if(right_triangle_select == 'P'){
RightTriangle object;
object.triangle_perimeter();
cout << "Triangle perimeter = " << object.getTrianglePerimeter() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> right_triangle_select;
if(right_triangle_select == 'O'){
firstSelect(right_triangle_select);
}else if(right_triangle_select == 'B'){
rightTriangleSelect(right_triangle_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(right_triangle_select == 'A'){
cout << "\nWe have 2 way to solve the example,\nI will tell you what we need for each and\nyou choose the one that will be useful for you." << endl;
cout << "1. The stem of the triangle and the allowable height on it - 'F'\n2. Two straight pages - 'S'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> right_triangle_select;
if(right_triangle_select == 'F'){
RightTriangle object;
object.triangle_area();
cout << "Triangle area = " << object.getTriangleArea() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> right_triangle_select;
if(right_triangle_select == 'O'){
firstSelect(right_triangle_select);
}else if(right_triangle_select == 'B'){
rightTriangleSelect(right_triangle_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(right_triangle_select == 'S'){
RightTriangle object;
object.right_triangle_area();
cout << "Triangle area = " << object.getTriangleArea() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> right_triangle_select;
if(right_triangle_select == 'O'){
firstSelect(right_triangle_select);
}else if(right_triangle_select == 'B'){
rightTriangleSelect(right_triangle_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(right_triangle_select == 'B'){
rightTriangleSelect(right_triangle_select);
}else{
cout << "\nWrong character!" << endl;
rightTriangleSelect(right_triangle_select);
}
}else if(right_triangle_select == 'B'){
triangleSelect(right_triangle_select);
}else{
cout << "\nWrong character!" << endl;
rightTriangleSelect(right_triangle_select);
}
}
// Make the equilateral triangle choice
void equilateralTriangleSelect(char equilateral_triangle_select){
cout << "\nSelect what you want!" << endl;
cout << "Perimeter - 'P'\nArea - 'A'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> equilateral_triangle_select;
if(equilateral_triangle_select == 'P'){
EquilateralTriangle object;
object.triangle_perimeter();
cout << "Triangle perimeter = " << object.getTrianglePerimeter() <<endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> equilateral_triangle_select;
if(equilateral_triangle_select == 'O'){
firstSelect(equilateral_triangle_select);
}else if(equilateral_triangle_select == 'B'){
equilateralTriangleSelect(equilateral_triangle_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(equilateral_triangle_select == 'A'){
cout << "\nWe have 2 way to solve the example,\nI will tell you what we need for each and\nyou choose the one that will be useful for you." << endl;
cout << "1. The stem of the triangle and the allowable height on it - 'F'\n2. Any one page - 'S'\nGo Back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> equilateral_triangle_select;
if(equilateral_triangle_select == 'F'){
EquilateralTriangle object;
object.triangle_area();
cout << "Triangle area = " << object.getTriangleArea() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> equilateral_triangle_select;
if(equilateral_triangle_select == 'O'){
firstSelect(equilateral_triangle_select);
}else if(equilateral_triangle_select == 'B'){
equilateralTriangleSelect(equilateral_triangle_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(equilateral_triangle_select == 'S'){
EquilateralTriangle object;
object.equilateral_area();
cout << "Triangle area = " << object.getEquilateralArea() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> equilateral_triangle_select;
if(equilateral_triangle_select == 'O'){
firstSelect(equilateral_triangle_select);
}else if(equilateral_triangle_select == 'B'){
equilateralTriangleSelect(equilateral_triangle_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(equilateral_triangle_select == 'B'){
equilateralTriangleSelect(equilateral_triangle_select);
}else{
cout << "\nWrong character!" << endl;
equilateralTriangleSelect(equilateral_triangle_select);
}
}else if(equilateral_triangle_select == 'B'){
triangleSelect(equilateral_triangle_select);
}else{
cout << "\nWrong character!" << endl;
equilateralTriangleSelect(equilateral_triangle_select);
}
}
// Make the different side triangle choice
void differentSideTriangleSelect(char different_side_triangle_select){
cout << "\nSelect what you want!" << endl;
cout << "Perimeter - 'P'\nArea - 'A'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> different_side_triangle_select;
if(different_side_triangle_select == 'P'){
Triangle object;
object.triangle_perimeter();
cout << "Triangle perimeter = " << object.getTrianglePerimeter() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> different_side_triangle_select;
if(different_side_triangle_select == 'O'){
firstSelect(different_side_triangle_select);
}else if(different_side_triangle_select == 'B'){
differentSideTriangleSelect(different_side_triangle_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(different_side_triangle_select == 'A'){
Triangle object;
object.triangle_area();
cout << "Triangle area = " << object.getTriangleArea() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> different_side_triangle_select;
if(different_side_triangle_select == 'O'){
firstSelect(different_side_triangle_select);
}else if(different_side_triangle_select == 'B'){
differentSideTriangleSelect(different_side_triangle_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(different_side_triangle_select == 'B'){
triangleSelect(different_side_triangle_select);
}else{
cout << "\nWrong character!" << endl;
differentSideTriangleSelect(different_side_triangle_select);
}
}
// Make the circle on a triangle choice
void circleOnATriangleSelect(char circle_on_a_triangle_select){
cout << "\nSelect what you want!" << endl;
cout << "Perimeter - 'P'\nArea - 'A'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> circle_on_a_triangle_select;
if(circle_on_a_triangle_select == 'P'){
CircleOnATriangle object;
object.triangle_perimeter();
cout << "Triangle perimeter = " << object.getTrianglePerimeter() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> circle_on_a_triangle_select;
if(circle_on_a_triangle_select == 'O'){
firstSelect(circle_on_a_triangle_select);
}else if(circle_on_a_triangle_select == 'B'){
circleOnATriangleSelect(circle_on_a_triangle_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(circle_on_a_triangle_select == 'A'){
cout << "\nWe have 2 way to solve the example,\nI will tell you what we need for each and\nyou choose the one that will be useful for you." << endl;
cout << "\n1. The stem of the triangle and the allowable height on it - 'F'\n2. All page and circle radius - 'S'\nGo Back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> circle_on_a_triangle_select;
if(circle_on_a_triangle_select == 'F'){
CircleOnATriangle object;
object.triangle_area();
cout << "Triangle area = " << object.getTriangleArea() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> circle_on_a_triangle_select;
if(circle_on_a_triangle_select == 'O'){
firstSelect(circle_on_a_triangle_select);
}else if(circle_on_a_triangle_select == 'B'){
circleOnATriangleSelect(circle_on_a_triangle_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(circle_on_a_triangle_select == 'S'){
CircleOnATriangle object;
object.circle_on_a_triangle_area();
cout << "Triangle area = " << object.getCircleOnATriangleArea() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> circle_on_a_triangle_select;
if(circle_on_a_triangle_select == 'O'){
firstSelect(circle_on_a_triangle_select);
}else if(circle_on_a_triangle_select == 'B'){
circleOnATriangleSelect(circle_on_a_triangle_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(circle_on_a_triangle_select == 'B'){
circleOnATriangleSelect(circle_on_a_triangle_select);
}else{
cout << "\nWrong character!" << endl;
circleOnATriangleSelect(circle_on_a_triangle_select);
}
}else if(circle_on_a_triangle_select == 'B'){
triangleSelect(circle_on_a_triangle_select);
}else{
cout << "\nWrong character!" << endl;
circleOnATriangleSelect(circle_on_a_triangle_select);
}
}
// Make the circle in a triangle choice
void circleInATriangleSelect(char circle_in_a_triangle_select){
cout << "\nSelect what you want!" << endl;
cout << "Perimeter - 'P'\nArea - 'A'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> circle_in_a_triangle_select;
if(circle_in_a_triangle_select == 'P'){
CircleInATriangle object;
object.triangle_perimeter();
cout << "Triangle perimeter = " << object.getTrianglePerimeter() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> circle_in_a_triangle_select;
if(circle_in_a_triangle_select == 'O'){
firstSelect(circle_in_a_triangle_select);
}else if(circle_in_a_triangle_select == 'B'){
circleInATriangleSelect(circle_in_a_triangle_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(circle_in_a_triangle_select == 'A'){
cout << "\nWe have 3 way to solve the example,\nI will tell you what we need for each and\nyou choose the one that will be useful for you." << endl;
cout << "\n1. The stem of the triangle and the allowable height on it - 'F'\n2. All page and circle radius - 'S'\n3. Perimeter of triangle and radius of circle - 'T'\nGo Back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> circle_in_a_triangle_select;
if(circle_in_a_triangle_select == 'F'){
CircleInATriangle object;
object.triangle_area();
cout << "Triangle area = " << object.getTriangleArea() <<endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> circle_in_a_triangle_select;
if(circle_in_a_triangle_select == 'O'){
firstSelect(circle_in_a_triangle_select);
}else if(circle_in_a_triangle_select == 'B'){
circleInATriangleSelect(circle_in_a_triangle_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(circle_in_a_triangle_select == 'S'){
CircleInATriangle object;
object.circle_in_a_triangle_area();
cout << "Triangle area = " << object.getCircleInATriangleArea() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> circle_in_a_triangle_select;
if(circle_in_a_triangle_select == 'O'){
firstSelect(circle_in_a_triangle_select);
}else if(circle_in_a_triangle_select == 'B'){
circleInATriangleSelect(circle_in_a_triangle_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(circle_in_a_triangle_select == 'T'){
CircleInATriangle object;
object.circle1_in_a_triangle_area1();
cout << "Triangle area = " << object.get1CircleInATriangleArea1() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> circle_in_a_triangle_select;
if(circle_in_a_triangle_select == 'O'){
firstSelect(circle_in_a_triangle_select);
}else if(circle_in_a_triangle_select == 'B'){
circleInATriangleSelect(circle_in_a_triangle_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(circle_in_a_triangle_select == 'B'){
circleInATriangleSelect(circle_in_a_triangle_select);
}else{
cout << "\nWrong character!" << endl;
circleInATriangleSelect(circle_in_a_triangle_select);
}
}else if(circle_in_a_triangle_select == 'B'){
triangleSelect(circle_in_a_triangle_select);
}else{
cout << "\nWrong character!" << endl;
circleInATriangleSelect(circle_in_a_triangle_select);
}
}
// Make the polygons choice
void polygonsSelect(char polygons_select){
cout << "\nSelect what you want!" << endl;
cout << "Parallelogram - 'P'\nTrapezoid - 'T'\nRhombus - 'R'\nRectangle - 'E'\nSquare - 'S'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> polygons_select;
if(polygons_select == 'P'){
parallelogramSelect(polygons_select);
}else if(polygons_select == 'T'){
trapezoidSelect(polygons_select);
}else if(polygons_select == 'R'){
rhombusSelect(polygons_select);
}else if(polygons_select == 'E'){
rectangleSelect(polygons_select);
}else if(polygons_select == 'S'){
squareSelect(polygons_select);
}else if(polygons_select == 'B'){
geometrySelect(polygons_select);
}else{
cout << "\nWrong character!" << endl;
polygonsSelect(polygons_select);
}
}
// Make the parallelogram choice
void parallelogramSelect(char parallelogram_select){
cout << "\nSelect what you want!" << endl;
cout << "Perimeter - 'P'\nArea - 'A'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> parallelogram_select;
if(parallelogram_select == 'P'){
Parallelogram object;
object.parallelogram_perimeter();
cout << "Parallelogram perimeter = " << object.getTwoPagePerimeter() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> parallelogram_select;
if(parallelogram_select == 'O'){
firstSelect(parallelogram_select);
}else if(parallelogram_select == 'B'){
parallelogramSelect(parallelogram_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(parallelogram_select == 'A'){
Parallelogram object;
object.parallelogram_area();
cout << "Parallelogram area = " << object.getPolygonsArea() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> parallelogram_select;
if(parallelogram_select == 'O'){
firstSelect(parallelogram_select);
}else if(parallelogram_select == 'B'){
parallelogramSelect(parallelogram_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(parallelogram_select == 'B'){
polygonsSelect(parallelogram_select);
}else{
cout << "\nWrong character!" << endl;
parallelogramSelect(parallelogram_select);
}
}
// Make the trapezoid choice
void trapezoidSelect(char trapezoid_select){
cout << "\nSelect what you want!" << endl;
cout << "Perimeter - 'P'\nArea - 'A'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> trapezoid_select;
if(trapezoid_select == 'P'){
Trapezoid object;
object.trapezoid_perimeter();
cout << "Trapezoid perimeter = " << object.getFourPagePerimeter() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> trapezoid_select;
if(trapezoid_select == 'O'){
firstSelect(trapezoid_select);
}else if(trapezoid_select == 'B'){
trapezoidSelect(trapezoid_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(trapezoid_select == 'A'){
Trapezoid object;
object.trapezoid_area();
cout << "Trapezoid area = " << object.getTrapezoidArea() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> trapezoid_select;
if(trapezoid_select == 'O'){
firstSelect(trapezoid_select);
}else if(trapezoid_select == 'B'){
trapezoidSelect(trapezoid_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(trapezoid_select == 'B'){
polygonsSelect(trapezoid_select);
}else{
cout << "\nWrong character!" << endl;
trapezoidSelect(trapezoid_select);
}
}
// Make the rhombus choice
void rhombusSelect(char rhombus_select){
cout << "\nSelect what you want!" << endl;
cout << "Perimeter - 'P'\nArea - 'A'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> rhombus_select;
if(rhombus_select == 'P'){
Rhombus object;
object.rhombus_perimeter();
cout << "Rhombus perimeter = " << object.getOnePagePerimeter() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> rhombus_select;
if(rhombus_select == 'O'){
firstSelect(rhombus_select);
}else if(rhombus_select == 'B'){
rhombusSelect(rhombus_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(rhombus_select == 'A'){
cout << "\nWe have 2 way to solve the example,\nI will tell you what we need for each and\nyou choose the one that will be useful for you." << endl;
cout << "1. Rhombus page - 'F'\nRhombus perimeter - 'S'\ngo back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> rhombus_select;
if(rhombus_select == 'F'){
Rhombus object;
object.rhombus_area();
cout << "Rhombus area = " << object.getPolygonsArea() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> rhombus_select;
if(rhombus_select == 'O'){
firstSelect(rhombus_select);
}else if(rhombus_select == 'B'){
rhombusSelect(rhombus_select);
}else{
cout << "Program is suspended" << endl;
}
}else if(rhombus_select == 'S'){
Rhombus object;
object.rhombus_area1();
cout << "Rhombus area = " << object.getRhombusArea() << endl;
cout << "\nPlease tell me what you want now!" << endl;
cout << "Start over - 'O'\nGo back - 'B'\nStop program - 'S'" << endl;
cout << "Enter the selected character - ";
cin >> rhombus_select;
if(rhombus_select == 'O'){
firstSelect(rhombus_select);
}else if(rhombus_select == 'B'){
rhombusSelect(rhombus_select);
}else{
cout << "Program is suspended" << endl;
}
}
}
}
// Make the rectangle choice
void rectangleSelect(char rectangle_select){
cout << "\nSelect what you want!" << endl;
cout << "Perimeter - 'P'\nArea - 'A'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
}
// Make the square choice
void squareSelect(char square_select){
cout << "\nSelect what you want!" << endl;
cout << "Perimeter - 'P'\nArea - 'A'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
}
//make the arithmetic choice
void arithmeticSelect(char arithmetic_select){
cout << "\nSelect what you want!" << endl;
cout << "Mathematical operations - 'M'\nMeasurement unit converter - 'U'\nEquation - 'E'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> arithmetic_select;
if(arithmetic_select == 'M'){
mathematicalOperationsSelect(arithmetic_select);
}else if(arithmetic_select == 'U'){
measurementUnitsConverterSelect(arithmetic_select);
}else if(arithmetic_select == 'E'){
equationSelect(arithmetic_select);
}else if(arithmetic_select == 'B'){
firstSelect(arithmetic_select);
}else{
cout << "\nWrong character!" << endl;
arithmeticSelect(arithmetic_select);
}
}
// Make the measurement unit converter choice
void measurementUnitsConverterSelect(char measurement_unit_converter_select){
cout << "\nSelect what you want!" << endl;
cout << "Weight measurement units - 'W'\nLength measurement units - 'L'\nVolume measurement units - 'V'\nTime mesurement units - 'T'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
cin >> measurement_unit_converter_select;
if(measurement_unit_converter_select == 'W'){
weightMeasurementUnitsSelect(measurement_unit_converter_select);
}else if(measurement_unit_converter_select == 'L'){
lenghtMeasurementUnitsSelect(measurement_unit_converter_select);
}else if(measurement_unit_converter_select == 'V'){
volumeMeasurementUnitsSelect(measurement_unit_converter_select);
}else if(measurement_unit_converter_select == 'T'){
timeMeasurementUnitsSelect(measurement_unit_converter_select);
}else if(measurement_unit_converter_select == 'B'){
arithmeticSelect(measurement_unit_converter_select);
}else{
cout << "\nWrong character!" << endl;
measurementUnitsConverterSelect(measurement_unit_converter_select);
}
}
// Make the weight measurement units choice
void weightMeasurementUnitsSelect(char weight_measurement_units_select){
cout << "\nSelect what you want!" << endl;
cout << "Tons to Kilogram - 'T'\nKilogram to Tons - 'K'\nTons to Gram - 'R'\nGram to Tons - 'G'\nKilogram to Gram - 'J'\nGram to Kilogram - 'H'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
}
// Make the length measurement units choice
void lenghtMeasurementUnitsSelect(char length_measurement_unit_select){
cout << "\nSelect what you want!" << endl;
cout << "Kilometers to Meter - 'Q'\nMeters to Kilometer - 'W'\nKilometers to Centimeter - 'E'\nCentimeter to Kilometer - 'R'\nKilometer to Milimeter - 'T'\nMilimeter to Kilometer - 'Y'\nMeter to Centimeter - 'U'\nCentimeter to Meter - 'I'\nMeter to Milimeter - 'O'\nMilimeter to Meter - 'P'\nCentimeter to Milimeter - 'N'\nMilimeter to Centimeter - 'M'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
}
// Make the volume measurement units choice
void volumeMeasurementUnitsSelect(char volume_measurement_units_select){
cout << "\nSelect what you want!" << endl;
cout << "Liter to Mililiter - 'L'\nMililiter to Liter - 'M'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
}
// Make the time measurement units choice
void timeMeasurementUnitsSelect(char time_measurement_units_select){
cout << "\nSelect what you want!" << endl;
cout << "Hours to Minutes - 'H'\nMinutes to Hours -'G'\nHours to Second - 'J'\nSecond to Hours - 'S'\nMinutes to Second - 'D'\nSecond to Minutes - 'F'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
}
// Make the equation choice
void equationSelect(char equation_select){
cout << "\nSelect what you want!" << endl;
cout << "Linear equation - 'L'\nQuadratic equation - 'Q'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
}
// Make the mathematical operations choice
void mathematicalOperationsSelect(char mathematical_operations_select){
cout << "\nSelect what you want!" << endl;
cout << "Addition - 'A'\nSubtraction - 'S'\nDivision - 'D'\nMultiplication - 'M'\nGo back - 'B'" << endl;
cout << "Enter the selected character - ";
}
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