F90Calculator

Set-Up Fortran90

You can download a compiler here.

To compile the program type this into your console.

f90 -o F90Calculator F90Calculator.f90

After executing the calculator you can enter the first number.

Enter first number: 
5 # 5 is the input

Then choose between the calculation functions.

Choose between:
1) Addition
2) Subtraction
3) Multiplication
4) Division
1 # < This is our input

We now can enter the second number

Enter second number: 
2 # 2 is the input

Now it should give the right output.

6.9999999E-07 # this is the return value