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dynacalc1.0.cpp
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dynacalc1.0.cpp
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#include<iostream>
#include<string>
using namespace std;
void newCalc();
float num1, num2, result;
string userInput;
int main()
{
cout << "Please enter the first value and press enter: ";
cin >> num1;
cout << "Please enter a function (like +, /, etc) and press enter: ";
cin >> userInput;
cout << "please enter a second value and press enter: ";
cin >> num2;
if(userInput == "+")
{
result = num1 + num2;
}
if(userInput == "/")
{
result = num1 / num2;
}
if(userInput == "*")
{
result = num1 * num2;
}
if(userInput == "-")
{
result = num1 - num2;
}
if(userInput!= "+" && userInput!= "-" && userInput!= "*" && userInput!= "/")
{
cerr << "invalid input" <<endl;
newCalc();
}
else
{
cout << num1 << userInput << num2 << " equals: " << result << endl;
newCalc();
}
return 0;
}
void newCalc()
{
char newOption;
cout << "Do you to make a new calculation? (y/n) " <<endl;
cin >> newOption;
if(newOption == 'y' || newOption == 'Y')
main();
else
return;
}