# Question: What Does Y With A Dot Over It Mean?

## Does a dot mean multiply or divide?

Multiplication (×, ∙, *): These symbols all mean multiply or times.

You’ll see the dot (∙) more often than the times symbol (×) because the dot is easier to write and the times symbol can be confused with the variable x.

Division (÷, −, /): The division, fraction line, and slash symbols all mean divide..

## What is the dot in math called?

Sal says we can use a dot for a multiplication sign instead of an x. … We multiply things a lot in math, and mathematicians like to be efficient when they write. The dot (it’s actually called an “interpunct” to be more specific) is so simple and short to write, that’s probably why we use it instead of another symbol.

## What does DOT stand for?

Department of TransportationFirst, DOT stands for Department of Transportation, which is a federal government agency. DOT codes are issued to retreaders who apply because they wish to retread tires that will be sold in the United States.

## What does a dot in an equation mean?

In mathematics, a small middle dot can be used to represent product; for example, x ∙ y for the product of x and y. When dealing with scalars, it is interchangeable with the multiplication sign, × such that x ⋅ y means the same thing as x × y.

## What does a dot under a letter mean?

When used as a diacritic mark, the term dot is usually reserved for the Interpunct ( · ), or to the glyphs ‘combining dot above’ ( ◌̇ ) and ‘combining dot below’ ( ◌̣ ) which may be combined with some letters of the extended Latin alphabets in use in Central European languages and Vietnamese.

## How do you type a dot in the middle?

To insert a bullet you can type it directly by holding down the Alt key and typing 0183 on the numeric keypad….Putting a Bullet in the Middle of a SentenceChoose Symbol from the Insert menu. … Make sure that (normal text) is selected in the Font drop-down list. … In the table of symbols, select the bullet character.More items…•

## What are the 2 dots over a letter called?

The diaeresis (/daɪˈɛriːsɪs/ dy-ERR-ee-sis; also known as the tréma) and the umlaut are two different homoglyphic diacritical marks. They both consist of two dots ( ¨ ) placed over a letter, usually a vowel. When that letter is an i or a j, the diacritic replaces the tittle: ï.

## How is Ö pronounced?

To pronounce the ö-sound, say “ay” as in day (or as in the German word See). While continuing to make this sound, tightly round your lips. Look in a mirror to make sure your lips are actually rounded. Voilà!

## What does AT with a dot over it mean?

The number of pills to be taken per dose. A “T” with a dot over it is, “1”. Two dots over a “T” with two legs is, “2”, and so on.

## What does a dot above a number mean?

This is an example of a recurring decimal. … This is written as: The dot above 6 means that it is repeated indefinitely (i.e. forever). An alternative notation involves placing a bar above the repeating digit(s) in the quotient (i.e. answer).

## What does the bullet point mean in math?

A variant, the bullet operator ( U+2219 ∙ BULLET OPERATOR (HTML ∙ )) is used as a math symbol, akin to the dot operator. Specifically, in logic, x • y means logical conjunction. It is the same as saying “x and y” (see also List of logic symbols).

## How is Ü pronounced?

Ü is often pronounced as /jʊ/ by English speakers, but such pronunciation is not correct in German. To pronounce ü correctly, round your lips as if you were to say “oo” in “cool” or “stool”, but move your tongue to say “ee” (as in “see”) instead (but don’t move your lips).

## How do you type Y with two dots over it?

Hold down the alt key and type 0255 for a lowercase Y with an umlaut. Hold down alt and type 0159 for an uppercase Y with an umlaut.

## What does the math symbol mean?

< Less Than and > Greater Than. … This symbol > means greater than, for example 4 > 2. ≤ ≥ These symbols mean ‘less than or equal to’ and ‘greater than or equal to’ and are commonly used in algebra.