杂项/常用数学符号输入

希腊字母

24 个希腊字母的拼写, 读音和含义(表格原作者张闻)

Greek English Spell Read Chinese Usage
Α α A alpha alfa 阿耳法 1st, closest, best, letter, α-ray
Β β B beta bet'a 贝塔 2nd, β-ray
Γ γ G gamma gamma 伽马 3rd, γ-ray
Δ δ D delta delt'a 德耳塔 4th, Δ-shape, variable increment
Ε ε E epsilon ep'silon 艾普西隆 5th, math small residue
Ζ ζ Z zeta zet'a 截塔 6th
Η η H eta et'a 艾塔 7th, math y substitutive
Θ θ Q theta θit'a 西塔 8th, math target
Ι ι I iota iot'a 约塔 9th, few
Κ κ K kappa k'app'a 卡帕 10th, often replaced by c in English
Λ λ L lambda lambda 兰姆达 11th, λ-particle, λ-phage
Μ μ M mu miu 12th, 10-6, average
Ν ν N nu niu 13th, name unknown, error, speed
Ξ ξ X xi ksi 克赛 14th, math x substitutive
Ο ο O omicron omik'ron 奥密克戎 15th
Π π P pi p'ai 16th, 3.1415926, chaos
Ρ ρ R rho rou 17th
Σ σ(ς) S sigma sigma 西格马 18th, standard deviation
Τ τ T tau t'au 19th, T-shape, 300, time
Υ υ U upsilon jup'silon 衣普西隆 20th
Φ Φ(φ) F phi fai 弗艾 21th
Χ χ C chi khai 22th
Ψ ψ Y psi p'sai 普西 23th, pseudo
Ω ω W omega omiga 欧米伽 24th, end, all

符号

名称 符号
上标数字 ¹ ² ³ ⁴ ⁵ ⁶ ⁷ ⁸ ⁹ ⁰
上标符号 ⁺ ⁻ ˙ ⁼ ⁽ ⁾
上标字母 ᵃ ᵇ ᶜ ᵈ ᵉ ᶠ ᵍ ʰ ⁱ ʲ ᵏ ˡ ᵐ ⁿ ᵒ ᵖ ᵠ ʳ ˢ ᵗ ᵘ ᵛ ʷ ˣ ʸ ᶻ
下标数字 ₁ ₂ ₃ ₄ ₅ ₆ ₇ ₈ ₉ ₀
下标符号 ₊ ₋ ₌ ₍ ₎
下标字母 ₐ ₑ ₕ ᵢ ⱼ ₖ ₗ ₘ ₙ ₒ ₚ ᵣ ₛ ₜ ᵤ ᵥ ₓ
常用分数 ⅛ ¼ ⅓ ⅜ ½ ⅝ ⅞ ¾ ⅔
比较符号 = ≈ ≠ ≤ ≥
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