Jon Wittwer is the founder, president, and editor of Vertex42.com. In 2003, Jon combined his interest in web development with his love of Excel to create what would become the Vertex42 you see today. Jon has a Ph.D. in mechanical engineering, but now spends the majority of his time creating, improving, and writing about the spreadsheet templates that are being used by millions of people and businesses all over the world.

Author's Website: Vertex42.com

Google+
Profile

Facebook
Page

Twitter
Profile

Posts by author:

Jon Wittwer

Press Releases

Spreadsheet Templates for the iPad

I’ve been waiting a long time for a mobile spreadsheet application that can do more than just create basic data tables. Apple’s Numbers app for the iPad fits that bill. And now I’m happy to announce Vertex42′s new Spreadsheet Templates app which will give you access to a large collection of Numbers templates. CA55KXVZQ3KQ more »

by Jon Wittwer January 9, 2012 3 comments

Updates

Rate and Review Templates on Vertex42.com

Calling all Vertex42 fans … after downloading and using a template, please return to the page to give it a rating and a short review. more »

by Jon Wittwer September 14, 2011 27 comments

Debt and Credit

How Much do I Have to Pay to Reach my Debt Payoff Goal?

This article explains how to use the Debt Reduction Calculator to calculate the Monthly Payment that will help you reach your goal of paying off your debt in X number of years or months. more »

by Jon Wittwer May 25, 2011 2 comments

Food and Health

Use a Headache Log to Help Identify Triggers

My personal list of headache and migraine triggers, and a headache log I created to help identify them. more »

by Jon Wittwer May 4, 2011 0 comments

Excel

Creating Business Forms with Customizable Lists

If you use an invoice or order form in Excel routinely, you may come across times when it would be handy to select items from a drop-down list and have other information update automatically. Here is an example. more »

by Jon Wittwer April 20, 2011 2 comments

Press Releases

New Look for Vertex42

Vertex42 is in the middle of rolling out a new site design. Care to give some feedback on the overall look and feel of the Vertex42.com site? more »

by Jon Wittwer April 4, 2011 14 comments

Small Business

How To Use a Timesheet Template in Your Business

A chance for users to share their experiences and give feedback on using timesheet templates in their business. more »

by Jon Wittwer December 9, 2010 5 comments

Family

Money Management for Kids – The Family Bank Approach

If you have kids, you’ve probably tried various methods to help your younger kids save and manage their money. We started out using the envelope method, but that wasn’t working for us. more »

by Jon Wittwer October 20, 2010 3 comments

Debt and Credit

10 Strategies for Paying Off Your Mortgage Early

If you are interested in getting completely out of debt, paying off your mortgage may be the largest hurdle. Here is a list of the strategies for paying off your mortgage early. more »

by Jon Wittwer October 11, 2010 11 comments

Planning

Planning for Retirement? Don’t Forget About Inflation

Answering the question “How much do I need to save for retirement?” requires you to estimate how much you think you could live on after you retire. But, don’t forget about inflation. more »

by Jon Wittwer August 24, 2010 0 comments

← Previous Entries