- Download and install DirectX SDK
- Open the solution on Visual Studio and open the project Properties
- Go to VC++ Directories -> Include Directories. Click on 'Edit' and select the Include folder
located on your DirectX SDK installation path. It is generally this one:
%programfiles(x86)%\Microsoft DirectX SDK (June 2010)\Include\ or %DXSDK_DIR%\Include\ - Now go to VC++ Directories -> Library Directories. Click on 'Edit' and select the library folder
located on your DirectX SDK installation path. It is generally this one - choose x86 for 32bit and x64 for 64bit:
%programfiles(x86)%\Microsoft DirectX SDK (June 2010)\Lib\ or %DXSDK_DIR%\Lib\ - Done!
Enter an expression in the input box, like '5*5' or 'sqrt(9)' and then click on 'Parse'. You'll have the result display right after the 'Output:' text
What to input?
Operators: +-*/!^%
Math functions: pow(x,y), sqrt(x), log(x), exp(x), sin(x), cos(x), tan(x), atan(x), atan2(y,x), abs(x), floor(x), ceil(x)
