scientific_calculator.cpp

#include <iostream>
#include <cstdlib>
#include<cmath>
using namespace std;
void addition();
void subtraction();
void multiplication();
void division();
void factorial();
void power();
void square();
void cube();
void squareroot();

int main()
{
    cout << "\t\tWelcome to the scientific Calculator, developed by Tathagata Ghosh!!\n"
         << endl;
    cout << "*******Press 0 to quit the program*******\n"
         << endl;
    cout << "Enter 1 for Addition \n";
    cout << "Enter 2 for Subtraction \n";
    cout << "Enter 3 for Multiplication \n";
    cout << "Enter 4 for Division \n";
    cout << "Enter 5 for Power \n";
    cout << "Enter 6 for Factorial \n";
    cout << "Enter 7  for square \n";
    cout << "Enter 8  for cube \n";
    cout << "Enter 9 for squareroot\n\n";
    int choice;
    while (1)
    {
        cout << "Enter you choice: ";
        cin >> choice;

        switch (choice)
        {
        case 1:
            addition();
            break;
        case 2:
            subtraction();
            break;
        case 3:
            multiplication();
            break;
        case 4:
            division();
            break;
        case 5:
            power();
            break;
        case 6:
            factorial();
            break;
        case 7:
            square();
            break;
        case 8:
            cube();
            break;
        case 9:
            squareroot();
            break;
        case 0:
            exit(0);
            break;
        default:
            cout << "\n*******Wrong choice, Enter valid choice*******\n\n";
            break;
        }
    }

    return 0;
}

void addition(){
    cout<<"Enter the numbers you want to add: ";
    int a,b;
    cin>>a>>b;
    cout<<"The addition of "<<a<<" and "<<b<<" is "<<a+b<<endl;
}
void subtraction(){
    cout<<"Enter the numbers you want to subtract: ";
    int a,b;
    cin>>a>>b;
    cout<<"The subtraction of "<<a<<" and "<<b<<" is "<<a-b<<endl;
}
void multiplication(){
    cout<<"Enter the numbers you want to multipliation: ";
    int a,b;
    cin>>a>>b;
    cout<<"The multiplication of "<<a<<" and "<<b<<" is "<<a*b<<endl;
}
void division(){
    cout<<"Enter the numbers you want to divide: ";
    int a,b;
    cin>>a>>b;
    cout<<"The division of "<<a<<" and "<<b<<" is "<<(float)a/(float)b<<endl;
}
void factorial(){
    
    cout<<"Enter the number you want the factorial of: ";
    int n;
    cin>>n;
    int fact=1;
    for(int i=1;i<=n;i++){
        fact=fact*i;
    }
    cout<<"The factorial of "<<n<<" is "<<fact<<endl;
}
void power(){
    
    cout<<"Enter the base and exponent: ";
    double b,e;
    cin>>b>>e;
    double power = pow(b,e);
    cout<<"The solution for base "<<b<<" and exponent "<<e<<" is "<<power<<endl;
}
void square(){
    
    cout<<"Enter the number you want the sqaure of: ";
    double b;
    cin>>b;
    double power = pow(b,2);
    cout<<"The square of "<<b<<" is "<<power<<endl;
}
void cube(){
    
    cout<<"Enter the number you want the cube of: ";
    double b;
    cin>>b;
    double power = pow(b,3);
    cout<<"The cube of "<<b<<" is "<<power<<endl;
}
void squareroot(){
    cout<<"Enter the number you want the square root of: ";
    double n;
    cin>>n;
    double squareRoot = sqrt(n);
    cout<<"The Square root of "<<n<<" is "<<squareRoot<<endl;
}