What does this symbol mean

For more on angles and other geometric terms see our pages on Geometry. A square root is the number that, when multiplied by itself, gives the original number. A superscripted integer any whole number n is the symbol used for the power of a number. See our page on Decimals for examples of its use.

A thousand can be written as 1, as well as and a million as 1,, or The comma splits larger numbers into blocks of three digits. In most English speaking countries the , does not have any mathematical function, it is simply used to make numbers easier to read. In some other countries, especially in Europe, the comma may be used instead of a decimal point and indeed, a decimal point may be used in place of a comma as a visual separator.

This is explained in more detail on our Introduction to Numbers page. It occurs frequently in mathematics and is a mathematical constant. Pi is a circle's circumference divided by its diameter and has the value 3. It is an irrational number, which means that its decimal places continue to infinity.

However large a number you have, you can always have a larger one, because you can always add one to it. Infinity is not a number, but the idea of numbers going on for ever. You cannot add one to infinity, any more than you can add one to a person, or to love or hate. Pipe ' ' is also also referred to as vertical bar, vbar, pike and has many uses in mathematics, physics and computing.

When an object or point moves in a cyclic pattern, or is subject to vibration or oscillation e. See an introduction to geometry for more. The line connecting the centre of a regular polygon with one of its sides. The line is perpendicular at a right angle to the side. Geometric area is defined as the space occupied by a flat shape or the surface of an object. Area is measured in square units, such as square metres m 2. For more, see our page on area, surface area and volume.

An asymptote is a straight line or axis that is specifically related to a curved line. As the curved line extends tends to infinity, it approaches, but never touches, its asymptote that is, the distance between the curve and the asymptote tends to zero.

It occurs in geometry and trigonometry. A line of reference about which an object, point or line is drawn, rotated or measured. In a symmetrical shape, an axis is usually a line of symmetry. A coefficient is a number or quantity multiplying another quantity.

It is usually placed before a variable. In the expression 6 x , 6 is the coefficient and x is the variable. The circumference is the length of the distance around the edge of a circle. It is a type of perimeter that is unique to circular shapes. For more, see our page on curved shapes.

Data are a collection of values, information or characteristics, which are often numerical in nature. Like Reply Report 1 10 months ago. Like Reply Report 5 10 months ago. Like Reply Report 10 months ago. Like Reply Report 11 months ago. Hello I have been looking for this specific symbol for weeks, I hope and you can help me with its meaning, I think it is pagan and Viking.

Like Reply Report 1 11 months ago. The "R" is just tiny and not huge like this one. Like Reply Report 2 11 months ago. Like Reply Report 1 12 months ago. Like Reply Report 1 1 year ago. Idk if this is true but i think thats just something cool you type :P. Like Reply Report 12 months ago.

Like Reply Report 1 year ago. Jorja said the like the state. Jennifer HartWoods. I dont have a pic but let me try my best to describe it for you guys. It has multiple forms that it comes on. Like a fifty cent piece. And on one side it has like a sheild with a crest or a horse with one leg bent on the front legs bent. A rider with sword or joust at half mast. I know this because I have a coin with Pennsylvania on it. Lyniyah Torres. This artifact from the era of the typewriter was used on such devices to underline words to indicate emphasis in lieu of italics.

Indeed, as I typed this post in Microsoft Word, the program automatically converted rocked to italics. The symbol also appears frequently in email and website addresses and other technical contexts. Want to improve your English in five minutes a day? Get a subscription and start receiving our writing tips and exercises daily! I would like to know about the usage of the sing. Thank you. Would you mind if I put some of your writing tips on my blog and in my newsletters…giving you and your website credit?

Quicker than pulling up the Windows Character Map. The number sequences below can be seen in the lower right corner of the Character Map when the symbol is selected. In mentioning the typewriter about the underscore sign, what about the sign for cent s?

When computer keyboards were being developed, in the effort to make the most frequently used symbols available without resorting to coding, the cent sign was omitted in favor of the caret. It depends on the context: Generally, period is the term for use in prose, dot refers to the symbol used in Internet protocols such as website and email addresses, and point is the name for the mathematical symbol used in decimal notation including references to monetary figures.

I find it interesting that the Roman numerals 0, I, and II were used for degrees, minutes, and seconds. Does anyone know? You may wish to: — Add more symbols and signs to your list, e. I gather it means some sort of mockery. The symbol Kathrine asks about is called the pilcrow or the paragraph mark.

A response would be greatly appreciated!! Joanne Nagen, I am not understanding your question, but, am willing to make a stab at it.

I thought from my school days that three dots … in the form of a triangle meant therefore and also used when we did our school chemistry. So have things changed since computers.