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A true telnet BBS hosted on a Casio calculator

· Adafruit Industries Blog · Aug. 19, 2026, 7:23 p.m.
Calculators computers bbs Casio Hacking retro computing bbs hardware projects
Summary
This post describes how the author, initially uninterested in calculators, became engaged with hosting a bulletin board service (BBS) on a Casio VX-4 calculator. It chronicles the journey of exploration and discovery in the world of calculator technology.
Read full post on blog.adafruit.com →
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