The significance of Brahmagupta's laws is that they treat zero as a number, not just a place holder, and negative... These two ciphers are simple enough: they require only that letters are substituted with others in the alphabet. The Caesar... The Rhind Papyrus is named after the Scottish egyptologist. A. Henry Rhind, who purchased the papyrus in Egypt in 1858.... Prime numbers are a subset, or smaller part, of the natural numbers. A prime is a natural number with exactly...Laying Down The Law
Caesar and Vigenère Ciphers
3000-YEAR-OLD HOMEWORK
Primes Versus Composites