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* Variables and letters that represent values should be in italic. | * Variables and letters that represent values should be in italic. | ||
* Text should be in roman. Text variables are not exactly proper thing to do but they are fine in our wiki. | * Text should be in roman. Text variables are not exactly proper thing to do but they are fine in our wiki. | ||
* Constant should be in roman. But this is often broken. | * Constant should be in roman. But this is often broken on things like <math>e</math> and <math>\pi</math>. | ||
** Constants that are not exactly constant are in italic. For example charge of electron is "constant" but the measured value can change and is therefore in italic <math>e</math>. | |||
* Multiletter variables are bad idea and should be avoided. If they are more like words (for example acronyms) use roman, otherwise use italic. | * Multiletter variables are bad idea and should be avoided. If they are more like words (for example acronyms) use roman, otherwise use italic. | ||
* Sub 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) | * Sub 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) | ||