symbol | name | keyboard |
---|---|---|
Α, α | Alpha | ALT-224 |
B, β | Beta | ALT-225 |
Γ, γ | Gamma | ALT-226 |
Δ, δ | Delta | ALT-235,916 ⌥ j |
Ε, ε | Epsilon | ALT-238 |
Θ, θ | Theta | ALT-952 |
Λ, λ | Lambda | ALT-995 |
Μ, μ | Mu | ALT-230, ⌥ m |
Π, π | Pi | ALT-227, ⌥ p |
Σ, σ, ς | Sigma | ALT-228,229, ⌥ w |
Φ, φ | Phi | ALT 232, 237 |
Χ, χ | Chi | ALT 967, 935 |
Ω, ω ς | Omega | ALT-234, ⌥ z |
symbol | name | keyboard |
---|---|---|
∈, ∊, ∉ | Element belongs to, doesn't belong to | |
ℕ | Natural Numbers | |
𝕎 | Whole Numbers | |
𝕀 | Pure Imaginary | |
ℤ | Integers, from German, "Zahlen" | |
ℚ | Rationals. from Italian "Quoziente" | |
ℙ | Irrational numbers (also ℝ∖ℚ is used) | |
ℝ | Reals | |
ℂ | Complex numbers |
symbol | name | keyboard |
---|---|---|
⁰ ₀ | super, subscript 0 | |
¹ ₁ | Super, subscript 1 | ALT-0185 |
² ₂ | Super, subscript 2 | ALT-253 |
³ ₃ | Super, subscript 3 | ALT-0179 |
₄ ⁴ | Super, subscript 4 | |
₅ ⁵ | Super, subscript 5 | |
₆ ⁶ | Super, subscript 6 | |
₇ ⁷ | Super, subscript 7 | |
₈ ⁸ | Super, subscript 8 | |
₉ ⁹ | Super, subscript 9 | |
ⁱ ₑ ⁿ ˣ | i, e, n, x | n is ALT-252 |
symbol | name | keyboard |
---|---|---|
∀ | Turned A, universal quantification, "for all" ∀x | |
Ǝ | Backwards E, "There exists" Ǝx | |
∄ | Turned E, "Does not exist" ∄pink_hippos | |
¬ | logical not ¬p |
symbol | name | keyboard |
---|---|---|
√ | square root | ALT-251, ⌥ v |
∛ ∜ | cube root & quad root | |
÷ | obelus (ah-bel-us), 6÷2=3 | ALT-246, ⌥ / |
× | product, multiplication, times, 5×4=20 | |
𝑥 | italics x | |
ℯ | base of natural logarithm e | |
𝒾 | italics i, imaginary number | |
∘ | function composition, as in f∘g | |
∫ | Integral for calculus | ⌥ b |
≈ | approximate, as in π ≈ 3.14 | ⌥ x |
≠ | not equal to, as in 1+1≠3 | ⌥ = |
≡ | modular arithmetic congruence | |
≅ | geometry congruence | |
± | plus or minus | ALT-241, ⌥ + |
∙ | multiplication dot or bullet | ALT-0149, ⌥ 8 |
⟌ | long division operator | |
≥ | greater than or equal to | ALT-242, ⌥ > |
≤ | less than or equal to | ALT-243, ⌥ < |
∪ | UNION, interval notation, "Joining" | ALT-8746 |
⋂ | INTERSECTION, interval notation, "overlap" | ALT-8745 |
symbol | name | keyboard |
---|---|---|
½ | one half | ALT-0189 |
⅓ | one third | |
¼ | one fourth | |
¾ | three fourths | ALT-0188 |
symbol | name | keyboard |
---|---|---|
x̄ | x-bar sample mean | ALT-0189 |
p̂ | p-hat proportion of a sample | |
ŷ | y-hat predicted outcome | |
μ | Mu, mean of a population | ALT-230, ⌥ m |
σ | Sigma, population standard deviation | ALT-229, ⌥ w |
symbol | name | keyboard |
---|---|---|
ℵ | Hebrew aleph, the cardinality of infinite sets that can be well-ordered | ALT-0189 |
¢ | American money unit cent | ALT-0189 |
→ | right pointing arrow | |
✓ | basic check mark ✓good job! | |
∞ | Infinity symbol, Lemniscate, pronounced (lem-nis-kit) |
ALT-236, ⌥ 5 |
ƒ | italics f for functions | ⌥ f |
| Apple Computer Logo | ⌥ K |
symbol | name | keyboard |
---|---|---|
sin⁻¹ | Inverse Sine | |
cos⁻¹ | Inverse Cosine | |
tan⁻¹ | Inverse Tangent | |
𝒻⁻¹(𝑥) | Inverse Function | |
° | degree | ALT-248, ⌥⇧8 |
∠, ⦜ | angle & right angle | |
⟂ | perpendicular angle symbol | |
△, ⊿ | triangle, right-triangle | ⌥ j |