Home of MacForth™

MacForth brings the unique power and versatility of the Forth programming language to the Macintosh.

First released in 1984 for developing code on the original 128k Macintosh, MacForth has steadily evolved along with the Mac and is now a highly interactive programming environment that features high-speed execution, versatile multitasking, extensible parser & compiler, optimized native code generation, integrated PowerPC macro assembler, and support for OS X.

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Free Scientific RPN Calculator for OS 9 & X

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