Calculation Edit Boxes

Numerical edit boxes generally support simple calculations.
A sum can be entered directly into the edit box:

Having typed an equation, pressing the = key will perform the entered calculation and fill the edit box with the answer.

As well as the simple numerical calculations, such as 3+(4/5), several of Aspire's stored values can be accessed by using certain letters (which are not case-sensitive): When used, Aspire substitutes the character with the appropriate value in the calculation.