The plus-minus symbol ± (also known as plus or minus sign) is placed in front of an expression and means that the following value can be either positive or negative, more or less. This symbol often indicates:

The multiplication sign × (also known as the times sign or the dimension sign) is the mathematical sign for the multiplication operation. There are several popular representations for the multiplication operation: a cross (×), a dot (⋅), or an asterisk (∗).

A currency symbol or currency sign is a short designation for the name of a currency. It can be a letter, letter combination, hieroglyph, syllable, special sign or symbol, other varieties of graphemes, graphic abbreviations, abbreviations (including in the form of a letter code), conventional letter designations, as well as their combinations. Even a whole word can be used as a currency sign.

The check mark symbol ✓ (also known as a checkmark or tick mark) has different meanings in different cultures: as a sign of agreement, confirmation, to indicate the concepts "yes" or "correct"; and as a sign of refusal, reject, to represent the notions of "no" or "wrong".

The degree symbol or degree sign ° represents degrees of arc in geographic coordinate systems, hours in the medical field, degrees of temperature, alcohol proof, logarithmic film speed grades in photography, or diminished quality in musical harmony. The symbol consists of a small, raised circle, historically a zero glyph.

The square root symbol √ (also known as a radical sign, radical symbol, root symbol, radix, or surd) is often used in various documents. Microsoft Word offers convenient functionality for beautifully styling formulas.

While typing word documents, you usually separate words and sentences by pressing the Space key (also known as Spacebar), which inserts a regular general-purpose space character. However, some Microsoft Word documents may contain other kinds of spaces. You can discover those white-space symbols during editing the document but not on printing.

There are four quick methods to enter alpha, beta, gamma, delta, and other Greek letters into the Word document: switch to Symbol font and press the corresponding letter on the keyboard; insert an equation and use Latex-like macros; add AutoCorrect rules; assign a shortcut to alpha, beta, gamma, delta, or another symbol for quick typing.

There are four quick methods to enter lambda, sigma, theta, and other Greek letters into the Word document: switch to Symbol font and press the corresponding letter on the keyboard; insert an equation and use Latex-like macros; add AutoCorrect rules; assign a shortcut to lambda, sigma, theta, or another symbol for quick typing.

μ letter is very popular in different domains of science. E.g., μ symbol designates a population mean in statistics, coefficient of friction or magnetic permeability in physics, and micron or micrometer in measurement. There are several ways to quickly insert any Latin or Greek letter into a Word document. This tip proposes some of the most useful techniques for micro sign or mu letter.