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Retro Computers - OpenGenus - e/acc
@opengenus.bsky.social
Retro computers, Programming, Mathematics, Technology | tensor police
Testing laptops. This is a Toshiba T2130CT. 486 DX4 at 75Mhz.
November 17, 2024 at 8:37 PM
Vintage portable computer from 1986

SONY SMC-210DL6 M35, originally cost $2700.

📹 vitaskhr
November 17, 2024 at 8:35 PM
"I don't want to be on display like an animal in a zoo. I'm not a hero of mathematics. I'm not even that successful; that is why I don't want to have everybody looking at me"

- Grigori Perelman after he declined the Fields Medal and $1,000,000 Clay Prize.
November 17, 2024 at 8:35 PM
991
199
919

A permutable prime is a number which, in a given base, can have its digits' positions switched through any permutation and still be a prime number. The largest known permutable prime is (10²⁷⁰³⁴³-1)/9.
November 17, 2024 at 8:35 PM
"God may not play dice with the universe, but something strange is going on with the prime numbers."

- Paul Erdős
November 17, 2024 at 8:35 PM
The following formula yields the correct decimal digits of π to 42 billion digits
November 17, 2024 at 8:23 PM