absolute value
Encyclopaedia Search
Absolute Value
In mathematics, the value, or magnitude, of a number irrespective of its sign. The absolute value of a number n is written |n| (or sometimes as mod n), and is defined as the positive square root of n2. For example, the numbers -5 and 5 have the same absolute value:
For a complex number, the absolute value is its distance to the origin when it is plotted on an Argand diagram, and can be calculated (without plotting) by applying Pythagoras' theorem. By definition, the absolute value of any complex number a + ib (where a and b are real numbers and i is the square root of -1) is given by the expression:
© RM 2009. Helicon Publishing is division of RM.
Advertisement starts
Advertisement ends
Advertisement starts
Advertisement ends
Country Search
Dictionary search
Belize Flag
Health Search
Advertisement starts
Advertisement ends
Page Footer
Access keys
You will need to use different key combinations in order to use access keys depending on your internet browser, find out which on our accessibility page.
- (0) Navigate to Accessibility page.
- (1) Navigate to Home page.
- (2) Navigate to My email.
- (3) Navigate to My Account.
- (4) Navigate to Site Map page.
- (5) Navigate to Contact us page.
- (6) Navigate to Members channel.
- (7) Navigate to Services channel.
- (8) Navigate to News & Info channel.
- (9) Navigate to Entertainment channel.
- ([) Skip down to the Primary navigation block.
- (]) Skip down to the more links within this section block.
- (=) Bypass all navigation and jump to the content.
- (x) Text only version of this page.
