Chipmunk Basic for MacOS is an old-fashioned Basic interpreter which runs on almost all Macs. Chipmunk Basic uses a vintage traditional-style command-line console, but note that line numbers are not required to run Basic program written using an external text editor....
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This download (Chipmunk BASIC) is freeware. "Freeware is copyrighted computer software which is made available for use free of charge, for an unlimited time, as opposed to shareware where the user is required to pay (e.g. after some trial period or for additional functionality)." More info at
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