Partly just because I wanted to play with Gnumeric, I was trying to create a formula to compute overall tax rates from marginal tax rates using this table: http://www.irs.gov/formspubs/article/0,,id=133517,00.html I had one column with gross salaries ($10,000, $11,000, ...) and another column with a long series of IFs: if the first column is greater than $0 but less than or equal to $7,300, do FOO; if greater than 7300 but <= 29700, do BAR; etc. But this was a very long formula, and hence was quite subject to human (read: my) error. Can anyone suggest an easier way to encode this in a spreadsheet? -- Stephen R. Laniel steve laniels org +(617) 308-5571 http://laniels.org/ PGP key: http://laniels.org/slaniel.key
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