works standalone...              Example output->
...as have sorted the Class name.

->Example output using table in Coursework Two Document

$ java -ea FracCalcOliver
Simple text-based calculator to compute with fractions.
author: Oliver S. Smart
0 >>> 1/2 - 3/4 * abs
1/4 * >>> 8 7/8 neg +
-7/8 + >>> quit
Goodbye
$