The Magic Square
Biographies of Math
Other Math Links
Ask The Experts
Visit Dr. Math
Visit our Dictionary
Who are We?
Click on the letter you want to look in
a root sign
Half the diameter of a circle. The distance between the middle of a circle and the circles surface.
A number choosed without definite aim, reason, or pattern.
The number or degree of one class of things in relation to another, or between one thing and another, expressed as a proportion .
Example: In a car, the ratio of tires to steering wheel is 4 to 1, often wriiten 4:1.
a line having one endpoint
any number that is not imaginary
Example: "1.23156..., 5, 8/6, e, square root (3)"
Expressions, relations, or fractions that are opposite.
Example: 1/2 is the reciprocal of 2/1
A parallelogram with four right angles.
A prism in the shape of a rectangle.
a polygon with all sides equal and all interior angles congruent
The portion of the dividend that is not evenly divisible by the divisor.
An equilateral parallelogram with oblique angles.
An angle that is 90 degrees.
A triangle with one of the angles equal to 90 degrees.
To Report Errors or Ask For Additions
copyright © 1997-2014
. All rights reserved.
allmath.com, mathbook.com and "virtual mathbook" ® are all service marks of
math book store