Judy's TenKey 6.x | 2 Mb
Judy's TenKey is an award-winning calculator for Windows that has sold tens of thousands copies. It has almost every feature imaginable, and includes an editable tape that automatically recalculates when you make changes. Judy's TenKey is a great execution of a simple idea, and it's something you will use every day.
Judy's Conversions converts numbers from one unit to another (for example, feet to meters, or cups to gallons). It supports hundreds of conversions, and is a great complement to Judy's TenKey.
Judy's CountDown is a fun program that helps you keep track of important dates and activities.
Home Page - http://www.judysapps.com/TK_Features.htm