AddUp 2 implements a flexible expression syntax and many features that are not found in other calculators. This overview covers a few short topics to illustrate the basics.
1: The Work Area
See how to enter calculations, how to handle results and error messages.2: The Buttons
Calculators have buttons! AddUp has so many that you cannot see them all at once. But you can make them come and go as you need.3: Functions
How functions and their parameters are specified, either using buttons or manually.4: Units and Conversions
See what unit values represent and how they are used to perform conversions of all kinds.5: Numeric Bases
Binary, octal, hexadecimal and many other numeric bases are supported with a simple syntax.6: Complex Numbers
Complex and imaginary numbers are natively implemented.