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S

subscript

  • The command character "_" triggers subscription of the following expression(s).
  • For more than one subscripted character put them in braces {...}.
  • Use font sizing commands for appropriate sizing.
  • Ex.:$$$x_1$$$ gives

$$x_1$$

  • Ex.:$$$a_{m+2n}$$$ gives

$$a_{m+2n}$$

  • Ex. (with specific sizing):

sum (summation)

  • General syntax for symbols with a kind of lower and upper limits:

\symbolname_{lowerexpression}^{upperexpression}

  • In general,

superscript

  • The command character "^" triggers superscription of the following expression(s).
  • For more than one superscripted character put them in braces {...}.
  • Use font sizing commands for appropriate sizing.
  • Ex.: $$$x^2$$$ gives

$$x^2$$

  • Ex.: $$$a^{m+2n}$$$ gives

$$a^{m+2n}$$

  • Ex. (with specific sizing): $$$x^{\small2}=a^{\small{m+2n}}$$$ gives

$$x^{\small2}=a^{\small{m+2n}}$$

  • Combine superscripting with subscripting (command character "_").
    Syntax: Expr_{subExpr}^{supExpr}.
  • Ex.: $$$A_{\small{i,j,k}}^{\small{-n+2}}$$$ gives

$$A_{\small{i,j,k}}^{\small{-n+2}}$$


T

tau (lower case greek letter)

$$$\tau$$$ gives $$\tau$$

TeX

$$TeX$$

theta (lower case greek letter)

$$$\theta$$$ gives $$\theta$$

Theta (upper case greek letter)

$$$\Theta$$$ gives $$\Theta$$

times

$$$a\times~b$$$ gives $$a\times~b$$

triangle

$$$\triangle~abc$$$ gives $$\triangle~abc$$

triggering the TeX filter

  • Two double $'s embracing a valid math expression trigger the filter to generate and insert


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