I got some questions: can someone explain me what that calls do and how to use them: _shracc equ 4383h _formreal equ 5191h _clrText equ $4ab5 (I know it clear text shadow, but what does it mean ?) _clrWindow .equ 4A86h when using _CREATEREAL, how can u store a number in the variable u made ? and how to use: _ioPrompt equ $c324 thanx Nicolas