Mathematical symbols

These are the main mathematical symbols used. It is very useful in many mathematical operations and proofs. It can be used to explain many things simply.

Math symbols are shorthand marks that represent mathematical concepts.

Symbol Name + addition sign, plus sign - subtraction sign, minus sign x or ⋅ multiplication sign ÷ or / division sign = equal ≠ not equal < less than > greater than ≤ less than or equal to ≥ greater than or equal to # number sign ( ) parentheses & and (ampersand) % percent π pi |x| absolute value of x √ square root ! factorial ± plus or minus ˆ caret - to the power of

∠ angle ° degree ⊥ perpendicular || parallel ∼ is similar to (tilde) ∪ union ∩ intersection ∅ null or empty set ∈ is a member of ∉ is not a member of ⊂ is a subset of ∃ there exists (existential quantifier) ∀ for all (universal quantifier) f(x) a function whose variable is x ∴ therefore Σ sum ... ellipsis (and so on) ∞ infinity