Cross-platform C/C++ Interpreter. Ch is an embeddable C/C++ Interpreter for cross-platform scripting, 2D/3D plotting, numerical computing, shell programming, quick animation, and embedded scripting. Ch Professional Edition is a C/C++ compatible interactive platform for scientific computing and scripting. Ch Professional is especially effective for teaching and learning including Introduction to Computing, Algorithms, Computer-Aided Problem Solving, and Computer Programming. Ch can execute C/C++ code directly without compilation and without intermediate code.