You may never have heard of modular arithmetic, but you use it every day without the slightest difficulty. In this system, numbers wrap around when they reach a certain size called the modulus; it is ...
Art of the Problem on MSNOpinion
Diffie-Hellman and the one-way function, the math that secured the internet
Hidden inside a simple color-mixing analogy is one of the most elegant ideas in cryptography, a mathematical trap door that ...
One of my fellow contributors here recently wrote a post about leap years and why we have them. This reminded me of modular arithmetic and the formula for calculating the day of the week for any date ...
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