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Some characters are actually reserved in HTML which should be replaced with character entities. A number of signs such as greater than or less than cannot be used because the browser will treat them for mark up. If anyone all around the world wants to put these symbols then he or she must use character entities in the actual HTML source. These entities are fixed and you will have to put fixed characters. These entities are like symbols which are to be remembered whenever you are putting some signs online. You can easily find all the character entities online which make the job much easier.

At first you will face some difficulty but gradually you will get used to it and these are easy to remember as well. There is a disadvantage as well because all browsers may not support these entities but most of them do support. One of the most common and important entities in HTML is the non breaking space. HTML normally truncates spaces that you will put in the text and sometimes you really want to put spaces with a purpose. Even if you put 5 spaces in your text HTML will automatically remove 4 spaces out of them. In order to use spaces between text you will have to use   character entity.

Following are some of the most commonly used character entities include < which is used for less than sign. The > is used for greater than sign and ¢ is used for a cent sign. Some other very important charter entities are £ which is used for a pound and ¥ yen. The description of copyright and registered trademark is very frequently used and for putting it you will use © and ® character entities. Above mentioned are very important and remembering them will help you in many ways.

There is an entity number given to each of the entity characters which makes it even easier for you to remember it. Various other signs are important and are used very often but HTML may not support it as well. Some of the most important punctuation characters include a fraction slash which is presented through ⁄ entity and it is numbered as &#8260. Inverted exclamation mark is represented through ¡ and this entity is numbered as &#161. The trademark sign can only be represented through ™ which is numbered as ™. Another very important character entity is for a thin space which can only be displayed through  . It is numbered as   and is very commonly used as well.

On the other hand, if you are producing a website that includes mathematical symbols then you will have to use separate set of character entities. If you want to add a division sign inside the website then the character entity used is ÷ and it is numbered as ÷. The degree sign is commonly used as well which is numbered as ° and the character entity is °. Learning these character entities is very important in order to efficiently create a website.