Common Math Signs
GRADEA's math symbols list will help you to keep all of these math signs straight. From the equal sign to the Greek alphabet, we have it covered.
Arithmetic Signs: +  x ÷ 
+ 
Addition Sign 
Used to add two numbers 
 
Subtraction Sign 
Used to subtract two numbers 
x 
Multiplication Sign 
Use to multiply two numbers 
· 
Multiplication Dot 
Used the same as the x symbol 
÷ 
Division Sign 
Used to divide two numbers 
Equality and Inequalities 
= 
Equal to 
Used to show that two quantities are the same (or equal). Ex: 3 = 2 + 1 
≠ 
Not Equal to 
Used to show that two quantities are not the same (or equal). Ex: 3 ≠ 2 
≈ 
Approximately 
Used to show an approximate value when rounding a decimal. Ex: 2.99 ≈ 3 
< 
Less than 
Used to show that one quantity is less than another quantity. Ex: 5 < 6 
≤ 
Less than or Equal to 
Used when one quantity can be less than or equal to another. Ex: 5 ≤ 4 +1 
> 
Greater than 
Used to show that one quantity is larger than another quantity. Ex: 7 > 3 
≥ 
Greater than or Equal to 
Used when one quantity can larger than or the same as another: Ex: 7 ≥ 3 + 2 
The Greek Alphabet and Some of its Uses in Math 
The Greek alphabet is listed here with the capitol letter first, the name of the letter, common uses in math, and also the lowercase letter. Make sure you have the proper scripts installed to view all of these important math signs.
Α 
Alpha 

α 
Β 
Beta 

Β 
Γ 
Gamma 

γ 
Δ 
Delta 
Used for “increment.” Often for Slope 
δ 
Ε 
Epsilon 

ε 
Ζ 
Zeta 

ζ 
Η 
Eta 

η 
Θ 
Theta 
Regularly used as a variable for angles. 
θ 
Ι 
Iota 

ι 
Κ 
Kappa 

κ 
Λ 
Lamda 

λ 
Μ 
Mu 

μ 
Ν 
Nu 

ν 
Ξ 
Xi 

ξ 
Ο 
Omicon 

ο 
Π 
Pi 
Used for “Product” to multiply a series. Also used for circumference. 
π 
Ρ 
Rho 

ρ 
Σ 
Sigma 
Used for “Sum” to add a series. 
σ 
Τ 
Tau 

τ 
Υ 
Upsilon 

υ 
Φ 
Phi 

φ 
Χ 
Xi 

χ 
Ψ 
Psi 

ψ 
Ω 
Omega 

ω 
# 
Number Sign 
The symbol is read as “number”
Ex: #8 means “number eight.” 
$ 
Dollar Sign 
Math sign to show a dollar amount.
Ex: $6 means “six dollars.” 
° 
Degree Symbol 
Used to show that a number is in degrees. Ex: 90° is “ninety degrees.” 
√ 
Square Root 
Symbolizes the square root of a number. It means “what number times itself equals that number?” 
∞ 
Infinity 
Infinity is not a number but an idea. It represents a value increasing forever. 
∫ 
Integral 
Integral symbol. Used for calculus. 
∂ 
Partial Differential 
Also used in calculus. 
∕ 
Fraction Bar 
Used to symbolize a fraction. Ex: ½ 
∏ 
Pi Symbol 
The Greek Letter Pi is used to represent an irrational number ∏≈ 3.14159 
Were you able to learn all of these math signs? Make sure you keep an eye out for hyperlinks within the tables. Those links will take you to GRADEA pages associated with that particular symbol. Return home.
