Math Symbols List

Math Symbols List: There are a lot of math symbols applied in any given mathematical concept ranging from simple addition and subtraction to complicated operations like integration. This is the main reason why students find math symbols confusing to understand and difficult to remember. The concept of mathematics is completely based on the relationship between numbers and symbols. These math symbols are used to perform different mathematical operations and represent various mathematical concepts.

Basic Math symbols list

Symbol Symbol Name Meaning / definition Example
= equals sign equality 5 = 2+3
5 is equal to 2+3
not equal sign inequality 5 ≠ 4
5 is not equal to 4
approximately equal approximation sin(0.01) ≈ 0.01,
xy means x is approximately equal to y
> strict inequality greater than 5 > 4
5 is greater than 4
< strict inequality less than 4 < 5
4 is less than 5
inequality greater than or equal to 5 ≥ 4,
xy means x is greater than or equal to y
inequality less than or equal to 4 ≤ 5,
x ≤ y means x is less than or equal to y
( ) parentheses calculate expression inside first 2 × (3+5) = 16
[ ] brackets calculate expression inside first [(1+2)×(1+5)] = 18
+ plus sign addition 1 + 1 = 2
minus sign subtraction 2 − 1 = 1
± plus – minus both plus and minus operations 3 ± 5 = 8 or -2
± minus – plus both minus and plus operations 3 ∓ 5 = -2 or 8
* asterisk multiplication 2 * 3 = 6
× times sign multiplication 2 × 3 = 6
multiplication dot multiplication 2 ⋅ 3 = 6
÷ division sign / obelus division 6 ÷ 2 = 3
/ division slash division 6 / 2 = 3
>horizontal line division / fraction \frac{6}{2}=3
mod modulo remainder calculation 7 mod 2 = 1
. period decimal point, decimal separator 2.56 = 2+56/100
ab power exponent 23 = 8
a^b caret exponent 2 ^ 3 = 8
a square root

aa  = a

9 = ±3
3a cube root 3a 3a  ⋅ 3a  = a 38 = 2
4a fourth root 4a 4a  ⋅ 4a  ⋅ 4a  = a 416 = ±2
na n-th root (radical)   for n=3, n8 = 2
% percent 1% = 1/100 10% × 30 = 3
1‰ = 1/1000 = 0.1% 10‰ × 30 = 0.3
ppm 1ppm = 1/1000000 10ppm × 30 = 0.0003
ppb per-billion 1ppb = 1/1000000000 10ppb × 30 = 3×10-7
ppt per-trillion 1ppt = 10-12 10ppt × 30 = 3×10-10

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