One of the problems we encounter while teaching
intermediate algebra is that many students do not have the mathematical
skills which are essential for success. This is true even though
the prerequisite course (Beginning Algebra) has been passed.
To address this problem, the Mathematics Department
of the University of Arizona decided to write a computer program
which a student can use before starting intermediate algebra.
This program would quiz the student on all sections of algebra
which are essential to intermediate algebra. In other words, it
would not review all of intermediate algebra, but would concentrate
on those areas which are actually needed in intermediate algebra(i.e.
decimals and exponents, numbers and expressions, factors and fractions,
and linear equations).
(adapted from the documentation)