The nrWinCalc is unique component for manipulate the execution of the standard Windows calculator (calc.exe). Look some powerful features of the component:
property Visible;//for open and close calculator;property Mode;//for choose StandardScience modeproperty Radix;//for choose Bin/Oct/Dec/Hex radixproperty Value; // for get/set value
property OnClose:TNotifyEvent; // event on close calculatorproperty OnEnterPressed:TNotifyEvent; //... super eventfull context help file;... and some more.
Use demo project for the viewing of component capabilities.