A hotkey or a click on a tray icon starts the calculation dialog for your math formula. The dialog is generated out of the formula. Just enter the actual parameters and CalcExpress displays the result it displays a small graph when a range is input it displays a table when a two ranges are input it rounds to the number of digits specified it memorizes the last variable input and the position of the dialog.

Delphi component for calculating expressions, entered in Run-Time. For Delphi4, 5, 6, 7 and higher. Delivered with sources. The expressions can contain numbers, arithmetic ('+', '-', '*', '/') and logic ('=', '>', '<', '<>', '>=', '<=', 'AND', 'OR') operators and functions, defined by user (FDU). A maximal length of the expression corresponds to the length of the Delphi data type AnsiString.