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