Calvertr (US$2.99) is a clever evolution of the standard calculator and conversions app. As a calculator it is pretty basic, but where it really shines is in its conversion abilities. As a currency ...

OpalCalc is a unique calculator that lets you use natural language for day-to-day calculations. Spreadsheet applications like Microsoft Excel and OpenOffice.org Calc are extremely powerful. That’s ...

This image shows an app that displays two calculators on one screen. The calculation result on the calculator on the left can be moved to the one on the right by tapping the arrow key, enabling users ...

Canon Middle East today announces its new line-up of functional and scientific calculators, launching three models that continue the company's unique concept of recycling product materials to reduce ...