Math Tools

Open The Builders

Type a numerator and denominator and get ⅜ or ¹²⁄₃₄₅. Type an index and a radicand and get ∛x or ⁵√x̅. Type a base, an exponent and a subscript and get xᵢ². Or raise or lower any whole string at once.

Superscript And Subscript Characters

These are separate characters, not formatting, which is why they survive in places bold and italic don't. Screen readers may read them oddly; use them for short expressions.

Greek Alphabet 57

Click a letter to copy it. Capitals first.

Arithmetic 16

+ plus · − minus · ± plus-minus · ∓ minus-plus · × times · · dot · ÷ divided by · ∕ division slash · ⁄ fraction slash · % percent · ‰ per mille · √ square root · ∛ cube root · ∜ fourth root · ! factorial · ∘ compose

Compare 17

= equals · ≠ not equal · ≈ approximately · ≃ asymptotically equal · ≅ congruent · ≡ identical · ≢ not identical · < less than · > greater than · ≤ less or equal · ≥ greater or equal · ≪ much less · ≫ much greater · ∝ proportional · ≺ precedes · ≻ succeeds · ~ similar

Sets 20

∈ element of · ∉ not element of · ∋ contains · ⊂ subset · ⊃ superset · ⊆ subset or equal · ⊇ superset or equal · ⊄ not subset · ∪ union · ∩ intersection · ∖ set minus · ∅ empty set · ℕ naturals · ℤ integers · ℚ rationals · ℝ reals · ℂ complex · ℙ primes · ℵ aleph · ℘ power set

Logic 19

∀ for all · ∃ there exists · ∄ does not exist · ¬ not · ∧ and · ∨ or · ⊕ xor · ⊻ xor (alt) · ⇒ implies · ⇐ implied by · ⇔ if and only if · → maps to · ↦ maps to (element) · ∴ therefore · ∵ because · ⊢ proves · ⊨ models · □ necessarily · ◇ possibly

Calculus 20

∑ sum · ∏ product · ∐ coproduct · ∫ integral · ∬ double integral · ∭ triple integral · ∮ contour integral · ∂ partial · ∇ nabla · ∆ increment · ∞ infinity · lim limit · → tends to · ′ prime · ″ double prime · ‴ triple prime · ℏ h-bar · ⅆ differential d · ⅇ Euler's e · ⅈ imaginary i

Geometry 16

° degree · ∠ angle · ∡ measured angle · ∢ spherical angle · ⊥ perpendicular · ∥ parallel · ∦ not parallel · △ triangle · □ square · ○ circle · ⌀ diameter · ∟ right angle · ⊾ right angle with arc · π pi · τ tau · ∝ proportional

Fractions 18

½ one half · ⅓ one third · ⅔ two thirds · ¼ one quarter · ¾ three quarters · ⅕ one fifth · ⅖ two fifths · ⅗ three fifths · ⅘ four fifths · ⅙ one sixth · ⅚ five sixths · ⅐ one seventh · ⅛ one eighth · ⅜ three eighths · ⅝ five eighths · ⅞ seven eighths · ⅑ one ninth · ⅒ one tenth

Brackets 16

( parenthesis · ) parenthesis · [ bracket · ] bracket · { brace · } brace · ⟨ angle bracket · ⟩ angle bracket · ⌈ ceiling · ⌉ ceiling · ⌊ floor · ⌋ floor · | bar · ‖ double bar · ⟦ double bracket · ⟧ double bracket

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