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I use Mathematica as a notebook,but there is no double integral symbol,there is also no triple integral symbol and so on If there is any way to customize a symbol

Henrik Schumacher
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hadesth
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1 Answers1

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You can access such symbols via their unicode. eg enter :222c will give you the double integral symbol. Use MakeBoxes and MakeExpression if you want to modify the typesetting system to make the symbol meaningful.

Jon McLoone
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  • it works ，but the font can not be Times New Roman. And it can’t adjust font size according to the text behind – hadesth Apr 19 '19 at 02:53