RealCalc Scientific Calculator - RealCalc Scientific Calculator
Qalculate! - Qalculate! is a multiplatform multi-purpose desktop calculator.
makina - The only gesture-based calculator on the Play Store. makina |m??ki?n??| Noun
SpeQ Mathematics - SpeQ is a small, extensive mathematics program with a simple, intuitive interface.
NumWorks - The graphing calculator that makes learning math easier.
HiPER Scientific Calculator - Scientific calculator with up to 100 digits of significand and 9 digits of exponent.