Number Systems (by Michelle So)

Posted on Updated on

Hexadecimal

What is the purpose of this number system, and what are its distinctive features?

Hexadecimal is a number system with the base of 16. It is used as a short hand for binary numbers, allowing binary system to be expressed in fewer characters. The distinctive features of hexadecimal system are that it uses sixteen symbols. In most cases, the values zero to nine is represented by the symbols 0-9 and the values ten to fifteen is represented by the symbols A,B,C,D,E,F.

Explain where and how this number system is used today.

The hexadecimal number system is now broadly used by computer systems designers and programmers. In order to represent these hexadecimal constants in computing languages, different notations are used. In addition to this, this number system is also used in tradition Chinese units for weight.

What are the advantages and disadvantages of this number system?

The advantage of this number system is that it is very easy to convert between binary number and hexadecimal numbers and it allows binary numbers to be expressed in fewer symbols. The disadvantage of this number system is since it is not a base of 10 system, it causes errors to be made as it is a system with a base of 16.

 

Egyptian Number System

What is the purpose of this number system, and what are its distinctive features?

The Egyptian Number System was used for a wide variety of occasions, theses included, measuring time, straight lines, the level of the Nile floodings, calculating areas of land, counting money, working out taxes and cooking. In this system, it uses a base of 10 and the numbers are changed into hieroglyphic writings. This allowed numbers up to 1,000,000 to be expressed this way. In addition, there were also special signs for every power of 10. For example, the symbol for 1000 is a lotus flower.

Explain where and how this number system is used today.

This ancient number is no longer in use today.

What are the advantages and disadvantages of this number system?

The advantage of this system was it allowed the Egyptians to be able to express their numbers easier to add, subtract, divide or multiply. The disadvantage of this system is that it can only go up to 1,000,000 and it required a lot of space and time to write out numbers.

#exploremaths

This message is intended for the addressee named and may contain privileged information
or confidential information or both. If you are not the intended recipient
please delete it and notify the sender.

Advertisements

Leave a Reply

Fill in your details below or click an icon to log in:

WordPress.com Logo

You are commenting using your WordPress.com account. Log Out / Change )

Twitter picture

You are commenting using your Twitter account. Log Out / Change )

Facebook photo

You are commenting using your Facebook account. Log Out / Change )

Google+ photo

You are commenting using your Google+ account. Log Out / Change )

Connecting to %s