How do you make a degree symbol?

The simplest way is to type a small letter 'o', then to format the letter to 'superscript'.

This is done by 'blocking' the letter with the cursor, and using the menu tools to format.
In a Word processing program such as 'Word' the procedure would be

• type an 'o'
• 'block' it
• click on Format
• click on Font
• tick the 'superscript' box

Here is an example, showing before and after: 100 oC, 100 oC

It can also be done using a zero, but a small 'o' gives a smaller degrees sign.
It can also be done by using 'Insert/symbol', but that can take just a little longer.

Or

Use the keyboard and type either of the following sequences:

• ALT 248
• ALT 0176

Both will achieve the degree symbol °

Tip: Hold the ALT key down while typing the code numbers. Then, when you release the ALT key, the º will appear.

For more ALT key codes, see 'Related links' below.