Judy's TenKey is an award-winning calculator for Windows that has sold tens of thousands of copies. It has almost every feature imaginable, and includes an editable tape that automatically recalculates when you make changes. Judy's TenKey won the Ziff-Davis award for Best Desktop Accessory; visit our awards page to see what else people are saying about Judy's TenKey.

You can show all the buttons, some, or none, taking up just as much space on your screen as you want. Judy’s TenKey can act like a tape adding machine, a standard calculator, or an RPN scientific calculator.

Judy's TenKey makes your calculations easier and more reliable. If you use the default Windows calculator, you'll find that Judy's TenKey gives you many advantages. If you're still using an old-fashioned desktop calculator, you'll love the integration Judy's TenKey gives you with your other Windows applications.

Judy's TenKey is only US$19.95 and it's something that you will use every day...try it now!

Licensed users of previous versions can upgrade to the latest version (see v4.5 improvements) at a discounted price, and can visit our DownLoads page for minor patches and updates.