4 ms·
For me it's 3.14 first, then it's 3.1415, because 15 is 14+1, then I just memorize 92 and 6. Better than 355/113, which I don't think are that easy to memorize.
by SergeAx 4y ago
For me it's 3.14 first, then it's 3.1415, because 15 is 14+1, then I just memorize 92 and 6. Better than 355/113, which I don't think are that easy to memorize.