Got a version of Excel that uses the menu interface (Excel 97, Excel 2000, Excel 2002, or Excel 2003)? This site is for you! If you use a later version of Excel, visit our ExcelTips site focusing on the ribbon interface.
With more than 50 non-fiction books and numerous magazine articles to his credit, Allen Wyatt is an internationally recognized author. He is president of Sharon Parq Associates, a computer and publishing services company.
Learn more about Allen...
David is facing the task of solving some simultaneous equations in Excel, most with ten variables or more. He asked if there were some resources he could reference that would be good for learning how to do this.
Working with simultaneous equations is not for the mathematically faint-of-heart. The easiest way to solve simultaneous equations is to use matrix math, which is built into Excel. Such tasks are definitely not in the realm of simple mathematics, and a full discussion of simultaneous equations would be beyond the scope of ExcelTips. There are, however, several good resources you can use to help bring you up to speed. The following three sites have been suggested as starting points by other ExcelTips subscribers:
http://www.duncanwil.co.uk/simult.html http://educ.jmu.edu/~drakepp/spreadsheet/howto/matrices.pdf http://homepage1.nifty.com/gfk/renritu-excel-e.htm
If you prefer to use printed books instead of online resources, you might try Guide to Microsoft Excel 2002 for Scientists and Engineers (ISBN 0750656131) in which simultaneous equations are addressed beginning on page 210. While this book is obviously for an older version of Excel, the techniques relative to simultaneous equations are still applicable to later versions of Excel. In fact, you could visit Amazon and simply search for "simultaneous equations" (with the quotes) and find a good number of potential sources for detailed information.
ExcelTips is your source for cost-effective Microsoft Excel training. This tip (3079) applies to Microsoft Excel 97, 2000, 2002, and 2003.
Solve Real Business Problems Master business modeling and analysis techniques with Excel and transform data into bottom-line results. This hands-on, scenario-focused guide shows you how to use the latest Excel tools to integrate data from multiple tables. Check out Microsoft Excel 2013 Data Analysis and Business Modeling today!