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Asked: 2026-06-09T03:39:15+00:00

I am developing a native app which consists of some mathematical formulas. Formulas will

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I am developing a native app which consists of some mathematical formulas.

Formulas will be like………

Formulas

I want to display such formulas in my application, but i don’t how to use these special characters in Android. I want to display each formula individually in a list view…… If i am copying formula & if i am setting text to text view means it is showing like 

   txtv.setText("\\cos^2\\theta + \\sin^2\\theta = 1\\! ");

and getting output in the same pattern. So, can anyone help me how to use these mathematical special characters in Android..

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1 Answer

  1. Editorial Team

    Sorry, there are not a lot of different solutions..
    There are no ‘magical answer”, here are some different ways to achieve what you want.

    1) Using a webview with some Javascript

    2) using a server to produce a picture of the formula.

    3) Using a 9.png file embededd in your app with the square root symbol and display it as textview background

    4) Drawing a canvas with all your text and symbols

    5) using Hexadecimal code: http://htmlhelp.com/reference/html40/entities/symbols.html

    http://tlt.its.psu.edu/suggestions/international/bylanguage/mathchart.html

    6) Maybe other ideas, but definitely no way to achieve a 300 formula listview in a easiest way.

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