Kalkulators is a powerful but easy to use application that lets you perform numeric calculations. You can create multiple Kalkulators so that you can compare/save different numeric expressions. Try it free but you can also buy the Pro version from the in-App store to unlock it's full potential. Kalkulators provide variables that can be used in the expressions for faster/more convenient calculations.
LicenseFree to try
Operating System iOS
System RequirementsRequires iOS 7.0 or later. Compatible with iPhone, iPad, and iPod touch. This app is optimized for iPhone 5.