DIPS Intellectual Productivity System
https://gyazo.com/241e748e57c0363d6841782d62aaa8b6
Released in 1992, I bought it in 2005.
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This page is auto-translated from /nishio/知的生産性向上システムDIPS. If you looks something interesting but the auto-translated English is not good enough to understand it, feel free to let me know at @nishio_en. I'm very happy to spread my thought to non-Japanese readers.