User:Hirmuolio Pine/sandbox3: Difference between revisions

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** Multiletter variables are bad idea and should be avoided. If they are more like words (for example acronyms) use roman, otherwise use italic.

** Text should be in roman. Text variables are not exactly proper thing to do but they are fine in our wiki.

* ~~Constants that never change~~ should be in roman. But this is often broken on things like <math>e</math> and <math>\pi</math>.

* Mathematical constants 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 is not absolute and can change and is therefore in italic <math>e</math>.

** Constants that are not exactly constant are in italic. For example charge of electron is "constant" but it is a measuread value and the measured value is not absolute and can change and is therefore in italic <math>e</math>.

* 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).

* 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>).

@@ Line 41: / Line 41: @@
 ** Multiletter variables are bad idea and should be avoided. If they are more like words (for example acronyms) use roman, otherwise use italic.
 ** Text should be in roman. Text variables are not exactly proper thing to do but they are fine in our wiki.
-* Constants that never change should be in roman. But this is often broken on things like <math>e</math> and <math>\pi</math>.
+* Mathematical constants 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 is not absolute and can change and is therefore in italic <math>e</math>.
+** Constants that are not exactly constant are in italic. For example charge of electron is "constant" but it is a measuread value and the measured value is not absolute and can change and is therefore in italic <math>e</math>.
 * 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).
 * 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>).