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< [[Main Page]] | [[Math with newmat]] | [[MathML]] | [[Math_structures]] >
Many people start with TeX because they want to set formulae.Simple math typesetting exists since PlainTeX and these commands work in ConTeXt as in LaTeX.Advanced math was introduced to TeX by AMS (American Mathematical Society); nowadays AMSTeX and LaTeX are united. But how can one use advanced math with ConTeXt?== Introduction ==
* There are two different math modules TeX was designed for ease of typesetting books that contained mathematics. As ConTeXt is built on [http://dante.ctan.org/tex-archive/macros/context/contrib/maths/ CTAN]top of TeX, [[Math with nath|nath]] and [[Math with amsl|amsl]]it inherits all those features.* It is also possible In addition to use most [[LaTeX Math in these, ConTeXt|LaTeX equations in ConTeXt]] with a relatively small set adds lot of macros to make the typesetting of supporting definitionsmathematics easier.* The "native" ConTeXt way There are '''two''' kinds of '''math is [[MathML]], an application of [[XML]] modes''' --- rather verbose but mighty'''inline math and display math'''.* And there's a [[Math Mathematical expressions that are written with newmat|new the running text are called inline math; while mathematical expressions that break the flow of the text (such as formulas or equations) are called display math]] module . TeX takes care of proper spacing around expressions and provides macros to typeset most mathematical constructs.Complicated expressions can be built by working in steps---break down the expression into sub-expressions, build the sub-expressions and then combine them to get the distributioncomplicated expression.
==Simple Math==The basics of typesetting math in ConTeXt is explained here.
ConTeXt supports inline === Display math (mathematical formulas set within ordinary paragraphs as part of the text) and display math (mathematics set on lines by themselves, often with equation numbers). Inline math is enclosed in "$" signs, while display math is enclosed in a <cmd>startformula</cmd> / <cmd>stopformula</cmd> paid.mode ===Type
<texcode>
Inline math is set as $c^2 = a^2 + b^2$, and display math as\placeformula\startformulac^2 = a^2 + b^2... \stopformula
</texcode>
This, when typeset, produces the following:to get display math mode.
<context>=== Inline math is set as $c^2 mode == a^2 + b^2$, and display math as\placeformula\startformulac^2 = a^2 + b^2.\stopformula</context>There are four equivalent commands to get inline math mode:
The <cmdtexcode>placeformula$ ... $ % TeX style.\m{ ... } \math{ ... } \mathematics{ ... }</cmdtexcode> command  === Note to Plain TeX Users ===ConTeXt is plain TeX compatible. So, if you have any old document written in plain TeX, it will work with ConTeXt. This does not mean that you will get pixel by pixel identical output with ConTeXt. For inline math, everything that you learnt for plain TeX is optionalalso true for ConTeXt. However, display math is significantly different. '''Do not use <code>$$ .... $$</code>''' to write display math formulas in ConTeXt, and produces since you will not get the correct spacing around the equation number; leaving it off produces an unnumbered equationformulas.Instead use
ConTeXt's base mathematics support is built on the mathematics support in plain TeX, thus allowing quite complicated formulas. For instance:
<texcode>
A more complicated equation:\placeformula\startformula{{\theta_{\text{ConTeXt}}}^2 \over x+2} = \pmatrix{a_{11}&a_{12}&\ldots&a_{1n}\cr a_{21}&a_{22}&\ldots&a_{2n}\cr \vdots&\vdots&\ddots&\vdots\cr a_{n1}&a_{n2}&\ldots&a_{nn}\cr} \pmatrix{b_1 \cr b_2 \cr \vdots \cr b_n} + \sum_{j=1}^\infty z^j \left( \sum_{\scriptstyle n=1 \atop \scriptstyle n \ne j}^\infty Z_j^n \right)... \stopformula
</texcode>
which produces<context>A See [[Math/Display]] for more complicated equation:details on how to use display math in ConTeXt.\placeformula\startformula=== Note to AMSTeX/LaTeX Users ==={{\theta_{\text{ConTeXt}}}^2 \over x+2}offers almost all the features that are present in AMSTeX and LaTeX. However, ConTeXt syntax is different. See this [http://dl.contextgarden.net/myway/context-latex-math.pdf My Way] for how to 'translate' from amsmath syntax to ConTeXt syntax. [[LaTeX_Math_in_ConTeXt]] gives some brief ideas on how to get the LaTeX syntax to run in ConTeXt. == \pmatrix{a_{11}&a_{12}&\ldots&a_{1n}\cr a_{21}&a_{22}&\ldots&a_{2n}\cr \vdots&\vdots&\ddots&\vdots\cr a_{n1}&a_{n2}&\ldots&a_{nn}\cr} \pmatrix{b_1 \cr b_2 \cr \vdots \cr b_n} + \sum_{jThe details =1}^\infty z^j \left( \sum_{\scriptstyle n=1 \atop \scriptstyle n \ne j}^\infty Z_j^n \right)\stopformula</context>
=== Math symbols ===* [[Math/basic | How to input math]] (binary relations, greek letters, subscripts and superscripts)* Accents* [[Math/stackers | underbrace]], [[Math/stackers | overbrace]]* [[Math/fractions | Fractions, Binomials, genfrac, continued fractions.]]* Delimiters (big, bigg, left, middle, right)* Integrals and Sums* ([[Math/functions|Log like]]) functions* dots* [[Multiline_equations#Cases|Cases]], matrices, bordermatrix* Arrows (see [http://wwwdl.ntgcontextgarden.nl:8061net/myway/texmathmatharrows.pdf HereMath Arrows] you can try it "live" (PDF interface!).* [[Vectors]]* [[Product integral]]
==Number Formatting= Display Math ===There's a special command, <cmd>digits<* [[Math/cmd>, and a own manual about formatting numbersDisplay | Formula, formula number]]* [[Multiline equations]] (see [http://wwwdl.pragma-adecontextgarden.comnet/generalmyway/magazines/mag-0003mathalign.pdf Pasting digits togetherUsing \mathalign and friends])* Math sub-alignment* [[Math spacing]]* Discussion: [[User_talk:Zenlima | summary of formula numbering problems]] (comment: unverified) ==Math Fonts== ''See [[Math fonts]]'' for the main article about this subject.
==Math [[Fonts]]Other Methods ==* [[Bold Math]]* There are two different math modules on [http://homepagedante.macctan.comorg/tex-archive/macros/context/atlcontrib/texmaths/EulerContextCTAN], [[Math with nath|nath]] and [[Math with amsl|amsl]]. And there's a [[Math with newmat|new math]] module in the distribution.pdf Euler * Context now has inbuilt support for [[Multiline equations]]* It is also possible to use most [[LaTeX Math in ConTeXt|LaTeX equations in ConTeXt (using Euler ]] with a relatively small set of supporting definitions.* The "native" ConTeXt way of math font)is [[MathML]], an application of [[XML]] by Adam Lindsay- rather verbose but mighty.
==Science==
* Esp. for physics there’s the [[unitsUnits]] module.
* Additions to [[MathML]] are PhysML and ChemML.
* [[Chemistry]]
* There's a module for chemical structure formulae: [[Chemistry|PPCHTeX]] (works also with LaTeX). It ==Number Formatting==There's based on a special command, <cmd>digits</cmd>, with its own manual about formatting numbers, see [http://www.pragma-ade.com/general/magazines/mag-0003.pdf Pasting digits together] ==Evaluating expressions in ConTeXt==(i.e. ''doing'' math)* See also [[MetapostExpressions]] and . [[MetaFunCategory:Math]].
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