Dept. of Computer Science


CSCI A111
A Survey of Computers and Computing
Fall 1998 - First 8 Weeks

Module 4 - Basic Spreadsheets


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Learning Objectives

At the completion of this module, you will knowä


Drills

Electronic Checkbook

Create a simple checking account manager using Excel. You should have columns for check number, for payee, for amount of check, and for new balance. The only formula you need to write will be the one to compute the new balance.

Give yourself a starting balance of $10,000, and make at least 10 entries into the account ledger. You should also take a few moments to format the ledger so that it looks like a checkbook register (i.e. change column widths, format the text, use borders and shading, etc.).

Now, consider the following: How would you handle deposits in your checking account program? Do you need to change the formula?

Interest Comparison

Create a spreadsheet to answer the following question: which is more profitable : a savings account where interest is compounded monthly at 2%, or a savings account where interest is compounded quarterly (i.e. every three months) at 6%?

Use $10,000 as your starting value, and determine the interest produced over a two-year period under both interest schemes.


Math Review

Go through The Better Way's "Arithmetic Refresher" and try entering some of the formulas and expressions into Excel (try multiplication, division, exponents). Also practice changing the data formats of some of these value (change number of decimal places, put a number into scientific notation, etc.)


Guidelines