Whilst pressing down the Alt key, press the Sigma sign alt code ( 228) using the numeric keypad.Press and hold the Alt key on your keyboard.Place the insertion pointer where you need to type the Standard Deviation symbol.If you are looking for how you can type this symbol on the keyboard, then you’ve found it.
The Sigma symbol alt code is 228 for uppercase and 229 for lowercase. Standard Deviation/Sigma symbol Alt Code Details However, below are other options you can also use to type this symbol in Word/Excel/PowerPoint or anywhere on your Windows or Mac PC. The above quick guide provides some useful information about the Sigma symbol.
