This is where the comes in. While it’s a legacy tool, it remains one of the most efficient ways to "write" math naturally using a stylus, mouse, or touch screen. What is the Math Input Panel?

The is a legacy accessory application included with Windows 10 (and earlier versions like Windows 7) that allows users to handwrite mathematical formulas using a tablet pen or a mouse. The application then recognizes the handwriting and converts it into a format that can be inserted into other programs, such as Microsoft Word or LaTeX editors.

While the Math Input Panel is still available in Windows 10, Microsoft has integrated similar technology directly into modern apps.

The Math Input Panel is a built-in Windows utility that uses optical character recognition (OCR) to convert handwritten mathematical expressions into digital text. Once converted, you can insert these formulas directly into programs like Microsoft Word, Excel, PowerPoint, or LaTeX editors. How to Open Math Input Panel on Windows 10

: It includes specific buttons to erase, undo, or select and correct parts of an expression that were misinterpreted.