A comprehensive explanation can be found at

http://www.mcgimpsey.com/excel/variablerate.html

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Kind Regards,

Niek Otten

Microsoft MVP - Excel

"everyday joe" <everyday wrote in message
...
I'm trying to create a formula that includes a tax type table such as If
income is within $100 and $200, then add $10 to 25% of income over $100.
I'm
not sure how to type the table and how to word the formula.
Any suggestions