# Math and Physics symbols

The symbol is listed, you have to write what its called or what it does
Quiz by crinklypanda
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Last updated: May 7, 2014
 First submitted April 2, 2014 Times taken 2,886 Rating 2.00 Report this quiz Report
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 Symbol Function / Meaning ! Factorial Operation # or x Number / Integer % Percentage ÷ or / Divide × or * Multiply ( ) Parentheses - Subtract + Add = Equal ~ Equivalence Relation
 Symbol Function / Meaning < Less Than > Greater Than [ ] Brackets | x | Absolute Value ^ Exponential Function Σ Summation Notation Δ Difference μ Coeffecient of Friction π Pi θ Plane Angle
+1
Level 48
Apr 3, 2014
"More Than" should be accepted for "Greater Than," and "Summation" should be accepted for "Summation Notation" as well.
+1
Level 28
Apr 4, 2014
I will change that.
+1
Level 55
Nov 24, 2019
so should 'sum of'
+1
Level 82
Apr 4, 2014
I always thought it was "substract" (and I said it like that as well ^^). You should accept "summation" for Sigma and "difference" or "variation" for Delta.
+1
Level 28
Apr 4, 2014
I'll change that.
+3
Level 48
Jan 6, 2015
Whew! Tough to make a quiz like this when so many symbols have multiple definitions. In my day, x was any unknown, while k, l, m, or n were typically integers, theta was often the polar angle, and ~ was simply "approximately equal to." It was fun to try to run through this though, even though I missed ~.
+3
Level 70
Jul 9, 2016
"approximately equal to" is usually ≈. The symbol ~ has a ton of meanings depending on the field (geometry, set theory, statistics, linear algebra, physics, etc)
+6
Level 23
May 1, 2017
^ is not "Exponential Function". It is "to the power of"
+3
Level 6
May 21, 2018
"^" may be seen as the vector product symbol, "#" as a cardinal and "[]" as the integer part of a number. It's very innacurate....
+1
Level 19
Mar 27, 2021
% can also stand for modulo/modulus or remainder.

~ also means Approximately or About.

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