Graph2Go - Graphing calculators are instrumental in teaching and learning mathematics. It is an environment that supports conceptual understanding of functions in general, and school algebra and real analysis in particular. Especially, it enhances connections between graphic and symbolic representations
MIDP Calculator is a Java calculator for mobile devices. It works much like a good old HP calculator with RPN logic, but the stack has 16 elements and you can see many of the elements on the stack simultaneously
Javia Calculator - easy-to-use calculator for mobile phones. It features a user interface designed for the mobile phone's keypad, which allows quick input of mathematical expressions.
Built-in functions include trigonometric and hyperbolic functions, logarithms and exponentiation, permutations, combinations and factorial