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 …

Aug 1, 2017 · I am reading about Arithmetic mean and Harmonic mean. From wikipedia I got this comparision about them: In certain situations, especially many situations involving rates and …

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. …

Currently I am preparing for trading exams which tests faster arithmetic skills. For ex- 80 questions (like calculating 0.abc* 0.cd) to be done in 8 minutes. I am trying to memorize the …

Nov 26, 2014 · Geometric and arithmetic are two names that are given to different sequences that follow a rather strict pattern for how one term follows from the one before. An arithmetic …

What do you mean by “a more mathematical approach (rather than using a defined floor/ceil function)”? I don't see how having predefined modulo is more mathematical than having …

Can we define division similarly using only addition or subtraction?

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 …

Nov 6, 2012 · Did famous physicists/mathematicians do basic arithmetic (add/sub/div/mult) in their heads, or would they work them out on paper? Is there a scale of difficulty for this? I.e. "Erdos …