Calculator created by chaslbiv - https://repl.it/@chaslbiv/Calculator

main.cpp

#include <iostream>
#include <string>
using namespace std;
//Please add equation/algorithm reccomendations. I will make them later
int main () {
    int a;
    cout<<"Which function would you like to perform:"<<endl;
    cout<<"Reactionary Forces[1]"<<endl;
    cin>>a;
    switch (a) {
        case 1:
            cout<<"You have chosen Reactionary Forces"<<endl;
            cout<<"For this, you will need the # of forces"<<endl;
            int z;
            cin>>z;
            if (z == 1){
                cout<<"What is the force?"<<endl;
                float b;
                cin>>b;
                cout<<"Now, the distance of the force to the fulcrum:";
                float c;
                cout<<"\n";
                cin>>c;
                cout<<"Now, the distance from one side to the other:";
                float d;
                cin>>d;
                float sum_1;
                float sum_2;
                sum_1 = c * b;
                sum_2 = sum_1/d;
                cout<<sum_2<<endl;
            }
            else if (z == 2){
                cout<<"What is the force?"<<endl;
                float b;
                cin>>b;
                cout<<"Now, the distance of the force to the fulcrum:";
                float c;
                cout<<"\n";
                cin>>c;
                cout<<"Now, what is force # 2?\n";
                float e;
                cin>>e;
                cout<<"Now, what is the distance from force 2 to the fulcrum\n";
                float f;
                cin>>f;
                cout<<"Now, the distance from one side to the other:";
                float d;
                cin>>d;
                float sum_1;
                float sum_2;
                float sum_3;
                sum_1 = c * b;
                sum_2 = e * f;
                sum_3 = (sum_1 + sum_2)/d;
                cout<<sum_2<<endl;
            }
            break;
    }
}

This is just an alpha version