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* Mathematical constants should be in roman. But this is often broken (for example <math>e</math> and <math>\pi</math>). | * Mathematical constants should be in roman. But this is often broken (for example <math>e</math> and <math>\pi</math>). | ||
* Physical constants should be italic. | * Physical constants should be italic. | ||
* | * Subscripts and superscripts that represent quantities should be italic. Otherwise they should be roman. For example <math> V_{\rm max}</math> (max is roman) but <math> V_{n+1}</math> (n is italic). | ||
* Mathematical operators and special functions are in roman. Usually this happens automatically. For example <math> \sin\alpha </math> (<nowiki><math> \sin\alpha </math></nowiki>). But some operators will require manually setting. For example <math> \frac{ \mathrm{d} x }{ \mathrm{d} t} </math> (<nowiki><math> \frac{ \mathrm{d} x }{ \mathrm{d} t} </math></nowiki>) and <math> \mathrm{arcsinh}\,\alpha </math> (<nowiki><math> \mathrm{arcsinh}\,\alpha </math></nowiki>). | * Mathematical operators and special functions are in roman. Usually this happens automatically. For example <math> \sin\alpha </math> (<nowiki><math> \sin\alpha </math></nowiki>). But some operators will require manually setting. For example <math> \frac{ \mathrm{d} x }{ \mathrm{d} t} </math> (<nowiki><math> \frac{ \mathrm{d} x }{ \mathrm{d} t} </math></nowiki>) and <math> \mathrm{arcsinh}\,\alpha </math> (<nowiki><math> \mathrm{arcsinh}\,\alpha </math></nowiki>). | ||
* Single letter functions you define are italic. For example <math> f(x) </math>. | * Single letter functions you define are italic. For example <math> f(x) </math>. | ||