Excel 7.3 Tutorial Post author:peterse_jame_ Post published:February 29, 2012 Post category:Excel / IT101 Formatting, Sumif, Countif, Averageif You Might Also Like Excel Tutorial: vlookup() March 28, 2012 IT101 Excel Tutorial 3 – If and Date Functions February 02, 2012 Spring 2016 IT101 Jumpstart Presentation January 14, 2016