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I would like to use a text box to enter mathematical expressions.

Like the site below.

https://www.mathpapa.com/factoring-calculator/ enter image description here

How can I embed such a formula bar?

pekochun
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  • You can make use of regex to identify the variables, numbers and subscripts – Richard Pariath Oct 20 '18 at 02:37
  • I might check this out here: https://www.mathjax.org/#apis. Not sure if this is what you're looking for, but it renders Latex expressions and Mathoverflow uses it. – Jodast Oct 20 '18 at 02:48

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