Re:Ask HN: Are there books for mathematics like Feynman's le...
by m31415 on Friday October 25, 2019 @01:14PM
(#21357071)
Not that I know of, but many of the problems have been discussed online, e.g, calculating the average of the 100th power of sin in under 5 minutes [1], which according to Arnold, if you cannot solve, you don't understand mathematics.
[1]: https://math.stackexchange.com/questions/24533/find-the-aver...