Using the numerical pad on the right-hand side of an enhanced keyboard hold down the Alternate key while typing a three- or four-digit code. So the keyboard shortcut for the squared symbol is Alt 0178. Look for relevant math symbol to insert on your document.
Go to the Format menu and select Make Plain Text.
The result is like this. Numeric keyboard to enter and Numeric keyboard to enter -minus sign - hyphen Numeric keyboard to enter -multiplication dot asterisk Numeric keyboard to enter square root sqrt. You find these math keys come in handy especially if youre dabbling with a spreadsheet or other math-related software program. Alt 2 3 6.