Table of Basic Math Symbols with Examples

 

Math Basic Symbols with Examples

Symbol	Symbol Name	Symbol Meaning	Example
+	Plus Sign	addition	10 + 5 = 15
−	Minus Sign	subtraction	10 − 9 = 8
=	Equals Sign	equality	6 = 5+1
≠	Not Equal Sign	inequality	10 ≠ 9
>	Strict Inequality	greater than	55 > 14
<	Strict Inequality	less than	44 < 55
≥	Inequality	greater than or equal to	10 ≥ 9
≤	Inequality	less than or equal to	9 ≤ 10
( )	Parentheses	calculate expression inside first	1 × (3+7) = 10
[ ]	Brackets	calculate expression inside first	[(1+1)*(1+1)] = 4
±	Plus - Minus	both plus and minus operations	3 ± 4 = 7 and -1
∓	Minus - Plus	both minus and plus operations	2 ∓ 3 = -1 and 5
*	Asterisk	multiplication	3 * 3 = 9
×	Times Sign	multiplication	5 × 5 = 25
∙	Multiplication Dot	multiplication	10 ∙ 10 = 100
÷	Division Sign	division	10 ÷ 5 = 2
/	Division Slash	division	8 / 4 = 2
mod	Modulo	remainder calculation	5 mod 2 = 1
.	Period	decimal point	2.56 = 2+56/100
ab	Power	exponent	33 = 27
a^b	Caret	exponent	3 ^ 3 = 27
√a	Square Root	√a. √a  = a	√9= ±3
3√a	Cube Root	3√a. 3√a  . 3√a  =a	3√8 = 2
4√a	Fourth Root	4√a. 4√a  . 4√a  . 4√a  =a	4√16 =±2
n√a	N-th Root (radical)		for n=3, n√8 = 2
%	Percent	1% = 1/100	10% × 30 = 3
‰	Per-Mille	1‰ = 1/1000 = 0.1%	10‰ × 30 = 0.3
ppm	Per-Million	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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