Ch /ˌsiːˈeɪtʃ/ is a proprietary cross-platform C and C++ interpreter originally designed by Harry H. Cheng as a scripting language for beginners to learn mathematics, computing, numeric methods, and programming in C/C++. Ch is now developed and marketed by SoftIntegration, Inc. A student edition is freely available.Ch can be embedded into the C/C++ application programs.It has numerical computing and graphical plotting features. Ch is a combined shell and IDE.