"Power Web2Pic" is an useful website conversion tool as well as a rapid Multi-page browser. It allows you to save web pages or other files in your PC as jpg, gif, png or bmp files with four models.

"Visual Kalman Filter" is a visual math tool to simulate Kalman filter for linear or nonlinear system. Only three steps you need do,and you'll get the curve and the estimated results.

"Matrix calculator Pro" is a practical math tool to calculator matrice. As you see, it's easy, various, and effectual. Its price is only $39.90. Download and try it!

"Easy CurveFit" is a very easy tool to fit curve. Only three steps you should do, and you'll get the fitting curve and the needed parameters. The models include linear and nonlinear.

"CD Key Maker" is a easy tool to generate CD keys , password or serial keys. Only three steps you need do.

"Random Number Pro" is a practical math tool to generate random numbers according to different distributions. Only three steps you need do.