How the computer enters the subtraction symbol

We know that the keyboard has the key to enter the + and-number directly. Small knitting will not say more. As shown in the figure:

Method One, then in the input multiplication and division symbol method, can directly use the Input method special symbol to enter, for example Sogou input method, right click Sogou Input method, then pop-up window select "Emoticons-Special symbol", as shown:

Then in the Sogou Pinyin input method to open the shortcut input window, select the "Number/unit" option, the symbol on the right to find subtraction symbol. then click Enter. As shown in the figure:

Method Two, of course, we can also insert the subtraction symbol in the Word document. Click "Insert-Symbol-More" on the menu bar.

You can find the subtraction symbol on the window. As shown in the figure: