Mathematical symbols
+ Plus
- Minus
× Multiply
÷ Division
= Equals to
≠ Not equals to
≈ Almost equal to
< Less than
> Greater than
≤ Less than or equal to
≥ Greater than or equal to
% Percent
[x(y)] Brackets (2 layers)
(x) Brackets (1 layer)
± Plus or Minus
π Equals to 22/7 or 3.142
x' Prime
ℓ Litre
∆ Increment
∏ Product to
∑ Summation
√ Square root
∞ Infinity
∩ Intersection
∪ Union
∈ Element of
∉ Not an element of
⊂ Subset of
⊄ Not a subset of