Dealing with rounding As noted in the introduction, rounding can be rephrased as a problem in modular arithmetic. Using the example of rounding to the nearest hundred, it can be written like this: ...

Abstractions blog Smaller Is Better: Why Finite Number Systems Pack More Punch Recent progress on the “sum product” problem recalls a celebrated mathematical result that revealed the power of ...

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 ...

Topic will include: introduction to cryptography (the science of sharing secrets) elementary number theory and modular arithmetic (the mathematics behind encryption/decryption) introduction to ...