Ch is a C/C++ interpreter and scripting language environment. It is used by teachers, students, engineers and scientists around the world to learn math, computing, C/C++, and write cross-platform code and embedded scripts quickly and efficiently. Ch is the most complete, cross-platform C interpreter and C scripting engine in existence. It is a simpler alternative solution to C/C++ compiler for teaching and learning computing, science, technology, engineering, and math (C-STEM),  especially with Linkbot, Arduino, and Raspberry Pi.
 
Each annual license for Ch Professional is for one Windows or MacOSX machine for unlimited users.
 
For Ch teaching lab license, you can purchase Ch teaching lab license from SoftIntegration directly.
 
Ch for Raspberry Pi is free and included in the distribution of C-STEMbian, a free open source Linux operating system based on Raspbian for absolute beginners to use Raspberry Pi effectively.