Plus-minus Sign

Using Plus-minus Sign Alt Code:

You can type the Plus-minus Sign symbol ± using your keyboard by using the Alt Code for Plus-minus Sign. Before you begin, ensure that your Num Lock is turned on, and use the Numpad to type the code. Then, follow these simple steps:

1. Hold down the Alt key on your keyboard.
2. Type the number 177 using the Numpad.
3. Release the Alt key.

This will make the ± appear on your screen.

Insert ± Plus-minus Sign using HTML

<span>±</span>

<span>&#177;</span>

<span>&plusmn;</span>

<span>&#x00B1;</span>

Add Plus-minus Sign symbol with CSS

.plus-minus-sign::before {
    content: '\\0B1';
}