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Ch Standard Edition 6.1 is considered as an embeddable C/C++ interpreter designed for cross-platform scripting, shell programming, 2D/3D plotting, numerical computing, and embedded scripting.

It is the most complete C interpreter in existence for scripting, plotting and numerical computing. It supports 1990 ISO C Standard (C90), major features in C99, classes in C++, POSIX, X11/Motif, OpenGL, ODBC, XML, GTK+, Win32, CGI, 2D/3D graphical plotting, socket/Winsock, C LAPACK, high level numeric functions, and shell programming.

Major Features:

1. A complete C interpreter supporting all features in the ISO C90 Standard.
2. Easy interface with C/C++ binary libraries using Ch SDK
3. Wide characters in Addendum 1 for C90.
4. Ch supports more new features added in the latest ISO C99 Standard than most existing C compilers. Ch is the first implementation of complex numbers, variable length arrays (VLAs), IEEE-754 floating-point arithmetic, generic mathematical functions in C99.
5. Many salient C++ features including classes, objects and encapsulation for object-based programming (Brain-damaging features are excluded).
6. Complex IEEE floating-point arithmetic with complex metanumbers ComplexInf and ComplexNaN.
7. Assumed-shape arrays for passing multi-dimensional arrays of different sizes to the same argument of a function.
8. Nested functions and nested classes for modular programming.
9. Interactive execution of C statements, perfect solution for classroom demos using a laptop.
10. Interactive portable shell across different platforms.
11. A very-high level language (VHLL) environment for shell programming to automate tasks and system administration.
12. Safe Ch with built-in secure sandbox and Ch applet for world-wide distributed network computing. As a very high-level language at the source level, a Ch applet can be very small, but with very powerful capabilities. It is especially suitable for bandwidth sensitive devices such as handheld computers and cellular phones.
13. Built-in string type with automatic memory management and advanced text processing capabilities for shell programming and script computing.
14. Adjustable array bounds, i.e., int a[1:10].
15. Auto array bound checking.
16. TCP/IP socket/WinSock for network computing.
17. POSIX for portable scripting.
18. Cross platform Unix utilities and commands such as vi, ls, awk, sed, mv,rm, cp, find, grep, vim with syntax highlighting for Ch, etc.
19. A large number of Integrated Development Environment (IDE) support Ch. For example, ChSciTE allows you to edit, parse, and run C, Ch and C++ code within the IDE with the user interface in over 30 local languages such as German, Chinese, and Korea.
20. OpenGL toolkit
21. GTK+ toolkit
22. Windows toolkit on Windows
23. X/Motif toolkit on Unix/Linux
24. Common Gateway Interface (CGI)
25. Open Database Connectivity (ODBC)
26. An increasing number of third party products and user contributed code

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