## Math Notation Help

This glossary will help you build complex mathematical equations using the Tex markup language. This will involve using @@ or $$before and after the expression to display the desired results. Browse the glossary using this index Special | A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | ALL Page: (Previous) 1 ... 3 4 5 6 7 8 9 10 11 12 (Next) ALL ### S #### square root •$$\sqrt{a}$or \sqrt~a$$gives $\sqrt~a$ • Use braces for terms with more than one character: $$\sqrt{x+y}gives \sqrt{x+y}$$ #### subscript • The command character "_" triggers subscription of the following expression(s). • For more than one subscripted character put them in braces {...}. • Use font sizing commands for appropriate sizing. • Ex.:$$x_1gives x_1$$ • Ex.:$$a_{m+2n}gives a_{m+2n}$$ • Ex. (with specific sizing): $$x_{\small1}=a_{\small{m+2n}}gives x_{\small1}=a_{\small{m+2n}}$$ • Combine subscripting with superscripting (command character "^"). Syntax: Expr_{subExpr}^{supExpr}. • Ex.: $$A_{\small{i,j,k}}^{\small{-n+2}}gives A_{\small{i,j,k}}^{\small{-n+2}}$$ #### sum (summation) • General syntax for symbols with a kind of lower and upper limits: \symbolname_{lowerexpression}^{upperexpression} • In general, there are two ways how these lower and upper expressions can be placed: centered below and above the symbol or in a subscript / superscript manner. In the first case the symbol name is preceded by the word "big", in the second there is no prefix. • Syntax for summation symbol: $$\bigsum_{i=k}^{n}gives \bigsum_{i=k}^{n} and \sum_{i=k}^{n} gives $\sum_{i=k}^{n}$ • Use font size commands for a nicer picture:$$\LARGE\bigsum_{\small{i=1}}^{\small{n}}gives \LARGE\bigsum_{\small{i=1}}^{\small{n}} and \large\sum_{\small{i=1}}^{\small{n}}$   gives

$\large\sum_{\small{i=1}}^{\small{n}}$

 Keyword(s): big sum

#### 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.: $$x^2gives x^2$$

• 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

$TeX$  notation allows for the expression of ASCII characters to generate formatted graphics output
 Keyword(s): 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

$$\triangle~abc$gives$\triangle~abc$$
 Keyword(s): triangle

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