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Yeah I remember this notation completely messing up with my brain back in my discrete math class.
by antoineMoPa 8y ago
Yeah I remember this notation completely messing up with my brain back in my discrete math class.
- 0x7f800000 8y agoClock arithmetic. Modulo 4: a clock with only four evenly-spaced marks on it. 17 is congruent to 1 (modulo 4) means: Starting at the top of the clock, go clockwise one mark. Starting at the top of the clock, go clockwise seventeen marks. You'll end up at the same position. That's congruence.