x-Cal/c is an ergonomic pocket scientific calculator for iPhone and iPad, in both portrait and landscape modes, using Reverse Polish Notation.
Great for professional and educational use. Develop quickly an understanding of stack operations and learn basic programming such as a Quadratic Equation Solver.
x-Cal is designed for iPhone 5, iPhone 4S and iPhone 4. Shake i-Phone or tap the result area to activate keyboard and SIRI voice recognition for dictation of numbers. x-Calc v3.0 is designed for the iPad and iPad Mini.
Great for professional and educational use. Develop quickly an understanding of stack operations and learn basic programming such as a Quadratic Equation Solver.
x-Cal is designed for iPhone 5, iPhone 4S and iPhone 4. Shake i-Phone or tap the result area to activate keyboard and SIRI voice recognition for dictation of numbers. x-Calc v3.0 is designed for the iPad and iPad Mini.