In the simplest array of digits [Ramanujan] detected wonderful properties: congruences, symmetries and relationships which had escaped the notice of even the outstandingly gifted theoreticians. — James R Newman Copy Share Image
“Mathematicians call it “the arithmetic of congruences.” You can think of it as clock arithmetic. Temporarily replace the 12 on a clock face with 0. The 12 hours of the clock now read 0, 1, 2, 3, … up to… — John Derbyshire Copy Share Image
![“In the simplest array of digits [Ramanujan] detected wonderful properties: congruences, symmetries and relationships which had escaped the notice of even the outstandingly gifted theoreticians.” quote by James R Newman](https://sms4smile.com/quotes/img-quotes/217/james-r-newman-42796_congruence_in-the-simplest-array-of-digits-ramanuja_1442063.jpg)
