4 ms·

Not a book, but I loved this: * The Natural Number Game https://www.ma.imperial.ac.uk/~buzzard/xena/natural_number_game/ https://www.ma.imperial.ac.uk/~buzzard

by dqpb 4y ago

Not a book, but I loved this: * The Natural Number Game https://www.ma.imperial.ac.uk/~buzzard/xena/natural_number_game/ https://www.ma.imperial.ac.uk/~buzzard/xena/natural_number_g...