Apr 21, 2015 · Explore related questions arithmetic factorial See similar questions with these tags.

I'm looking for clear mathematical rules on rounding a number to n n decimal places. Everything seems perfectly clear for positive numbers. Here is for example what I found on …

Arithmetic could roughly be described as working with the numbers we know within a particular system of numbers, and is often related in some way to working with things called integers …

I'm trying to mentally summarize the names of the operands for basic operations. I've got this so far: Addition: Augend + Addend = Sum. Subtraction: Minuend - Subtrahend = Difference. …

Can we define division similarly using only addition or subtraction?

How does someone mathematically round a number to its nearest integer? For example 1.2 would round down to 1 and 1.7 would round up to 2

The term arithmetic underflow (or "floating point underflow", or just "underflow") is a condition in a computer program where the result of a calculation is a number of smaller absolute value than …

Oct 16, 2014 · I know this sounds a bit stupid but this question always confounds me. Say that you are given a range of numbers like $20$-$300$. And it asks you to find how many multiples …

In the context of cryptography, I need to find the private key of a message and I need to use modular arithmetic. I understand how modular arithmetic using a clock with whole numbers. …

May 20, 2013 · Many years ago, I noticed that 987654321 / 123456789 = 8.0000000729…. I sent it in to Martin Gardner at Scientific American and he published it in his column!!! My life has …