## Rules of submission

This assignment must be submitted either in class on Thursday, 28 March, or uploaded to the Moodle submission page for Homeworks 9 by 1:30 PM on Thursday, 28 March.

## The task

In class, we looked at Java program for parsing and evaluating simple arithmetic expressions and spreadsheet that showed the state of the stack during the parsing and evaluating.

We used the expression
`(13 + 17) * 19 + 21`

as
the example for the spreadsheet.
The homework problem is for you to create a spreadsheet
that corresponds to the parsing and evaluation of the expression
`13 + 17 * (19 + 21)`

.