Formulas should be useful. If not they should be astounding, elegant, enlightening, simple, or have some other redeeming value.


Formulas for Primes, Mathematics Magazine, Volume 56, Number 1, January 1983 (p. 22)


Formulas should be useful. If not they should be astounding, elegant, enlightening, simple, or have some other redeeming value.

Formulas should be useful. If not they should be astounding, elegant, enlightening, simple, or have some other redeeming value.

Formulas should be useful. If not they should be astounding, elegant, enlightening, simple, or have some other redeeming value.

Formulas should be useful. If not they should be astounding, elegant, enlightening, simple, or have some other redeeming value.