Business Math Information

Business Math Corner
Steven J. Wilson, author
Business Math: Using Percents

Spreadsheet Explorations

Payroll Record 2008 ( Payroll 2007 ) Profitability Depreciation U.S. Rule Time Value of Money	Instructions.
	Download to your computer and open in Excel: Right-click on the desired link, select "Save Link As" or "Save Target As ...", select a location (make sure you know where you are putting the file), then save. Then from your machine, open in Microsoft Excel.
	WARNING! Running the spreadsheets directly in your browser may cause your computer to lock up. We recommend that you do NOT left-click on these links.

Web Explorations

Comparing Compounding Frequencies (webMathematica): explore the effect of the compounding frequency on a lump sum deposit

Taxes:

Current Tax Information
Historical Federal Income Tax
Historical FICA (Social Security, Medicare, and Self-Employment Taxes)
Historical FUTA (Federal Unemployment Tax)
Withholding Taxes (Federal and Kansas)
(requires Adobe Acrobat):
2008, 2007, 2006, 2005, 2004, July 2003, 2003, 2002, July 2001, 2001, 2000, 1999, 1998, 1997
Text Update of Tax Chapter, Year: 2008, 2007, 2006, 2005, 2004, 2003, 2002, 2001

Calculators:

Wilson's JavaScript Financial Calculator
Financial Calculator Comparison Summary
Identifying a "Mystery" Financial Calculator
Help! My calculator can't handle Negative Interest Rates!
Specific Financial Calculator Information
- Hewlett Packard: 10B, 10BII
- LeWorld: 1399
- Radio Shack: EC-5001
- Sharp: EL-731, EL-733A
- Texas Instruments: BA-II, BA-II Plus, BA-35, BA-35 Solar, TI-83, TI-83 Plus, TI-84 Plus, TI-85, TI-86

Errors in the textbook:

List of known errors in the 2nd edition, 2006
List of known errors in the 1st edition, 2001

If you find other errors, please let the author know.