## Math Notation Help

This glossary will help you build complex mathematical equations using the Tex markup language. This will involve using @@ or $$before and after the expression to display the desired results.  All categories Categories All categories Not categorized 01 Getting started 02 Arithmetic expressions, sub-/superscripts, roots 03 Font Styles 04 Delimiters (parentheses, braces,...) 05 Spaces 06 Symbols 07 Relations 09 Structures Page: (Previous) 1 2 3 4 5 6 7 8 9 10 (Next) ALL ### 05 SPACES #### \; • \; (backslash semicolon) inserts the third smallest predefined space in a formula • Equivalent: \hspace{6} • Ex.:$$a\;b$$gives $a\;b$ • Ex.:$$a~\hspace{6}~b$$gives also $a~\hspace{6}~b$  Keyword(s): math spaces #### \: • \: inserts the second smallest predefined space in a formula • Equivalent: \hspace{4} • Ex.:$$a\:b$$gives $a\:b$ • Ex.:$$a~\hspace{4}~b$$gives also $a~\hspace{4}~b$  Keyword(s): math spaces #### \/ (backslash slash) • \/ (backslash slash) avoids ligatures • Ex.:$$V\/A$$gives $V\/A$ in contrast to$$VA$$which gives $VA$  Keyword(s): math spaces, ligature #### \~ • In order to prevent some browser specific problems with whitespaces, it is advisable to use ~ (tilde) as the whitespace instead of the normal blank key (in places where whitespaces are mandatory, e.g. after commands). • Ex.:$$\frac~xy$$to produce $\frac~xy$ • Ex.:$$\sqrt~n$$to produce $\sqrt~n$  Keyword(s): blank space, blank key, required whitespace #### \hspace{n} • inserts a space of n pixels • Ex.:$$f(x)\hspace{6}=\hspace{6}0$$gives $f(x)\hspace{6}=\hspace{6}0$ • can be combined with the preceding command \unitlength{m}(default: m=1px) , which defines the applied unit • Ex.:$$\unitlength{20}a\hspace{2}b$$gives $\unitlength{20}a\hspace{2}b$ , i.e. a space of 20x2=40px  Keyword(s): math spaces #### \qquad • inserts a double space of current character set size • Ex.:$$a\qquad~b$$gives $a\qquad~b$  Keyword(s): math space #### \quad • inserts a space of current character set size • Ex.:$$a\quad~b$$gives $a\quad~b$  Keyword(s): math spaces #### math spaces List of predefined spaces:  Math Spaces Command Example Result \, (smallest predefined)$$a\,b$$$a\,b$ \: (second smallest predefined)$$a\:b$$$a\:b$ \; (third smallest predefined)$$a\;b$$$a\;b$ \/ (avoiding ligatures)$$V\/A$$instead of$$VA$$$V\/A$ instead of $VA$ \quad (space of current character set size)$$a\quad~b$$$a\quad~b$ \qquad (double space of current character set size)$$a\qquad~b$$$a\qquad~b$ \_ (where _ is blank!)$$a\ b$$(whereas$$a\b$$is not a valid filter expression since the blank space is missing; it is recommended to use the tilde ~ instead of the simple whitespace) $a\ b$ \hspace{n} ,where n positive integer (= n Pixels)$$a~\hspace{30}~ba~\hspace{15}~ba~\hspace{2}~ba~\hspace{1}~b$$$a~\hspace{30}~b$$a~\hspace{15}~b$$a~\hspace{2}~b$$a~\hspace{1}~b$ \unitlength{m}\hspace{n}, changes the default unit length (m=1px) to be applied$$a~\hspace{2}~b\unitlength{10}~\hspace{2}~c$$(second space is 10x2=20px) $a~\hspace{2}~b\unitlength{10}~\hspace{2}~c$ Note: Simple blank spaces and tildes (~) are ignored by the TeX filter and don't produce any space. You must use one of the defined math spaces to get a visible (extra) space.  Keyword(s): spaces in formulas, predefined spaces ### 06 SYMBOLS #### alpha (lower case greek letter)$$\alpha$$gives $\alpha$ #### beta (lower case greek letter)$$\beta gives $\beta$

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