Working with Math Input Control dialog box

Office 365
The Math Input Control dialog box allows you to use various input devices, such as external digitizers, touch screens, and even just a mouse, to write mathematical formulas in the form of equations.

The formulas are automatically recognized and inserted into various document types like Microsoft Word, Excel, etc. Formulas created in the Math Input Control dialog box are fully editable as if they were entered using the built-in Equation Editor utilities (see below how to run this application).

Math Input Control dialog box in Windows 10

The grid box with the message Write math here in the center of the Math Input Control dialog box is the area where you need to draw the formula you want to enter into your document or presentation. To enter the formula, just write symbols with the mouse, other digitizing equipment, or even your finger (if your computer has a touch-enabled monitor).

In the Preview here field, you can immediately see how Microsoft recognizes the entered text:

Equation example in Math Input Control in Windows 10

Using the buttons at the bottom of the screen, you can:

  • Continue writing by clicking the Write button,
  • Remove the symbol you don't need or you prefer to rewrite by clicking the Erase button:
    Erase button in Math Input Control Windows 10
  • Click the Select and Correct button to select the symbol(s) for which you want to select other variants of the recognized text:
    Select symbols in Math Input Control Windows 10

    Choose another option if needed:

    Variants of recognized text in Math Input Control Windows 10
  • Click the Clear button to delete everything you've already entered in the Write math here area.

Run the Math Input Control application

To run Math Input Control, do the following:

   1.   Click inside the Windows search box or tap on it:

Type here to search in Windows 10

   2.   Start to type the first symbols of the application name, then click or tap the Math Input Control (App) application:

Math Input Panel in Windows 10

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