Microsoft Excel spreadsheet income tax calculator2006 IRS Federal Income Tax Spreadsheet - a free and comprehensive 25 page Excel spreadsheet with all major forms and schedules. Updated and revised since 1996. Does not use macros.Sheets: W-2s / 1099-R / Form 1040 / Sch. A / Sch. B / Sch. C / Sch. D / Sch. D WS / Sch. D-1 / Sch. E (1) / Sch. E (2) / Sch. SE