Quick, clean, and to the point

Charles Williams

Charles Williams is an Excel performance expert who who blogs at FastExcel, where he says his objective is to "to share my experiences in my never-ending quest to make Excel go faster!" Charles also publishes Excel speed optimization tips, information on Excel's recalculation engine, and a commercial utility called FastExcel on his website Decision Models. He has some great tips and advice for optimizing formulas and UDFs (User Defined Functions) for speed. Check out Why 2 VLOOKUPS are faster than 1 VLOOKUP and Making your UDFs Efficient.

United Kingdom