iFD Formula is a compact powerful utility for Pocket PC that allows you to work with a sufficient set of formulas (mathematical, physical, electrical, etc.). You can also add your own formulas - simply create formula Categories, formulas and their parameter descriptions, easily change any component of a formula and calculate it again. Working with the built-in formulas, Adding a new formula Category, Renaming a formula Category, Deleting a formula Category, Adding a new formula, Working with the built-in functions, Editing a formula, Deleting a formula, Cut/Paste, Checking the syntax of new formulas, Saving a new formula, describing formula parameters, Searching a formula by name, Setting the iFD Formula language options.