A new update is available to download from the app store for windows phone. This update brings new and revised functions formulas now providing more accurate results for calculations with complex numbers, bug fixes in the charts 2D user interface (drag/slide and pinch to zoom, trace mode, maxima/minima), real numbers functions now supports real and complex numbers as input parameters (no need to use two different functions based on the input parameter type), regression values ​​not updated in some situations now fixed, and other bug fixes.