mathXpert Algebra Assistant Tutorial Software
... never make a mistake in
algebra, but in fact this "correctness principle" is usually violated by computer
algebra systems. For example, in most other computer
algebra systems, you can start with ... common denominators
 Numerical compound fractions

Algebraic compound fractions (beginners)

Algebraic compound fractions
 Rational functions
 Solve rational equations
 Verify
algebraic identity
Exponents and Radicals ...