12) math. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...Mathematics....

13) fraction. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...1. Mathematics An expression that indicates the quotient of two quantities, such as 1/3. 2. A disconnected piece; a fragment. 3. A small part; a bit: moved a fraction...

14) exponentiation. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...Mathematics The act of raising a quantity to a power....

15) squarely. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...1. Mathematics At right angles: sawed the beam squarely. 2. In a square shape. 3. So as to make solid contact; firmly: struck the golf ball squarely, sending it to...

16) dividend. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...1. Mathematics A quantity to be divided. 2a. A share of profits received by a stockholder or by a policyholder in a mutual insurance society. b. A payment pro rata...

17) new math. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...Mathematics taught in elementary and secondary schools that constructs mathematical relationships from set theory. Also called new mathematics....

18) surjection. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...Mathematics A function that is onto. sur- + (pro)jection....

19) quadrant. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...1. Mathematics a. A circular arc of 90°; one fourth of the circumference of a circle. b. The plane area bounded by such an arc and two perpendicular radii. c. Any...

20) bivariate. The American HeritageŽ Dictionary of the English Language: Fourth Edition. 2000.
...Mathematics Having two variables: bivariate binomial distribution....