This small size application is a free version of the famous Jigsaw Puzzle game and it has only the basic features such as creating a puzzle image from a picture, selecting the number of pieces (which is limited from 30 up to 1321 pieces) and removing option. You can select the color and the texture for your background too.
Decimal Calculator, or DeciCalc for short, is a perfect tool for performing calculations and drawing 2D-graphs. You can create and print graphs, save them as a picture, calculate expressions, create simple scripts to be executed with DeciCalc.