4 ms·
Feynman could've done it, with a little luck anyway. :-) https://www.ecb.torontomu.ca/~elf/abacus/feynman.html https://www.ecb.torontomu.ca/~elf/abacus/feynma
by js2 3y ago
Feynman could've done it, with a little luck anyway. :-)
https://www.ecb.torontomu.ca/~elf/abacus/feynman.html https://www.ecb.torontomu.ca/~elf/abacus/feynman.html