How to Use the Windows 10 Calculator

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The built-in Windows calculator has come a long way since first being introduced with Windows 1.0 in 1985. It includes different modes, date calculations, and some handy everyday conversions functions. Here’s how you can get the most out of the often overlooked calculator app.

Switching Between Calculator Modes

As you’ll see below, the Calculator does a lot more than add, subtract, multiply, and divide. You can choose from four modes, depending on your needs.
To switch between modes, click the menu button at the top left and then select a mode from the options below.

Full reading: https://www.howtogeek.com/392134/how-to-...alculator/