J2ME 中文画布打字源代码，含字库，代码来自于互联网-J2ME canvas Chinese typing the source code, including font, code from the Internet

Descr iption Scientific calculator. Allows to perform caclulation with high precicion and implements most populatr mathematical functions: sin, cos, tan, asin, acon, atan, exp, log, sqr, floor and ceil. Also it make it possible to define your ow