Word seems like an odd choice to use with mathematical equations, but the reality is Microsoft Word is a great choice. Word has a gallery of built-in equations, and you can enter your own ...

Microsoft makes a free version of Microsoft Word available for anyone to use on the web. You have to register a Microsoft account, but that's free too.

Word will show the equation tab, which contains all the equation tools. Can Microsoft Word do Math? Yes, you can do some maths in Microsoft Word.