The download button opens the iTunes App Store, where you
may continue the download process. You must have iTunes installed with an
active iTunes account in order to download and install the software. This
download may not be available in some countries.
This app includes:1) Equation Solver tool, which can solve equations of any format. For example:4X*X - 3 = (X+2)(X-sin(90)) - 3X2Y + Z = 4(X - 6.2)2) Analytic Geometry tool, for example:solve tangent line, solve intersection points ... 3) Polygon toolcalculate polygon area, angle, length ...The app is localized to many languages.Demo: http://ossly.com/math.htmlIn China: http://ossly.com/mathtudou.html I wish you like it. Thank you.