20.3 Supported ANS Forth word sets. 4tH 4tH Forth compiler

Below you will find brief information for 4tH Forth compiler. This friendly compiler supports interactive programming, scripting, and C integration. Explore stack-based operations, custom word creation, and file management. Learn to compile and execute programs, manage strings, and debug using advanced features.

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Key features

Stack-based programming
Custom word definition
H-code compilation
C language interface
Interactive programming mode

Frequently asked questions

4tH uses reverse Polish notation (RPN), where operators follow their operands. For example, to calculate 3 + 4, you would enter 3 4 +.

Use the VARIABLE keyword followed by the variable name. For example, VARIABLE myvar creates a new variable named myvar.

Use the INCLUDE keyword followed by the filename. For example, INCLUDE mylib.4th includes the contents of mylib.4th.