5. How do I make exponents, superscripts, subscripts, Greek letters, and other special characters in a post?
Superscripts and subscripts are easy. Use the following codes
PHP Code:
[sup]super[/sup]script and [sub]sub[/sub]script
to produce
superscript and
subscript.
For special characters, you can cut-and-paste from the below:
= ≠
< ≤ ≥ >
+ - ÷ ×
² ³
⅓ ⅔ ⅛ ⅜ ⅝ ⅞ ¼ ½ ¾
√ ∞ ≡ ≈ ∫ ∩
← ↑ → ↓ ↔ ↕ ∙
Α Β Γ Δ Ε Ζ Η Θ Ι Κ Λ Μ Ν Ξ Ο Π Ρ Σ Τ Υ Φ Χ Ψ Ω
α β γ δ ε ζ η θ ι κ λ μ ν ξ ο π ρ ς σ τ υ φ χ ψ ω
∀∁∂∃∄∅∆∇∈∉∊∋∌∍∎∏∐∑−∓∔∕∖∗∘∙
√∛∜∝∞∟∠∡∢∣∤∥∦∧∨∩∪∫∬∭∮∯∰∱∲∳
∴∵∶∷∸∹∺∻∼∽∾∿
≀≁≂≃≄≅≆≇≈≉≊≋≌
≍≎≏≐≑≒≓≔≕≖≗≘≙≚≛≜≝≞≟
≠≡≢≣≤≥≦≧≨≩≪≫≬≭≮≯≰≱≲≳≴≵≶≷≸≹≺≻≼≽≾≿⊀⊁
⊂⊃⊄⊅⊆⊇⊈⊉⊊⊋⊌⊍⊎⊏⊐⊑⊒⊓⊔⊕⊖⊗⊘⊙⊚⊛⊜⊝⊞⊟⊠⊡
⊢⊣⊤⊥⊦⊧⊨⊩⊪⊫⊬⊭⊮⊯⊰⊱⊲⊳⊴⊵⊶⊷⊸⊹⊺⊻⊼⊽⊾⊿
⋀⋁⋂⋃⋄⋅⋆⋇⋈⋉⋊⋋⋌⋍⋎⋏⋐⋑⋒⋓⋔⋕⋖⋗⋘⋙
⋚⋛⋜⋝⋞⋟⋠⋡⋢⋣⋤⋥⋦⋧⋨⋩⋪⋫⋬⋭⋮⋯⋰⋱⋲⋳⋴⋵
For additional advice, see
this thread, from which I have shamelessly copied the above.