You can type the square root symbol (√) in several ways depending on your device and application: On Windows:
- Hold down the Alt key and type 251 on the numeric keypad, then release the Alt key to insert the √ symbol. Make sure Num Lock is on and use the numeric keypad, not the number row
- Press the Windows key + "." (period) to open the emoji and symbol panel, then select the √ symbol
- Use the Character Map: search for "Character Map" in Windows, open it, check "Advanced view," search for "square root," select the symbol, copy it, and paste it where needed
In Microsoft Word:
- Go to the Insert tab, click Symbol > More Symbols, choose the Mathematical Operators subset, find and insert the √ symbol
On Mac:
- Press Option + V to type the square root symbol in most apps
- In the Grapher app, use Shift + Option + V
In Google Docs:
- Click Insert > Equation, then select the square root symbol from the Math Operations menu and type underneath it
In Excel:
- Use the formula =SQRT(number) to calculate square roots.
- To insert the symbol itself, use Alt + 251 on the numeric keypad
These methods cover most common platforms and applications for typing the square root symbol efficiently.