ecGraph is a powerful graphing ActiveX control that you can drop into your Visual Basic programs to create graphs in a huge range of styles. Great for scientific or technical graphs. You can get a graph up and running with just a few lines of code, and can manipulate the graph layout at runtime from your programs.
* Easily create scientific or engineering graphs within your VB applications
* Multiple graphs per page
* Click and drag to move or resize graphs on the page
* Zoom and scroll areas of the graphs
* Multiple x- and y-axes per graph
* Log or linear scales on axes
* Plot data points, bars, text
* Plot continuous math functions like y = sin(x)*exp(-x / 10)
* Plot data points against math functions, with vertical or horizontal optional error bars
* Configurable grid lines, tick marks, borders, backgrounds
* Legend tables, reverse axes, show / hide labels, transparent backgrounds
* Demo projects supplied to show how all the features work
* Project1 - simple viewer to load and display the demo graphs and the VB code used to generate them.
* Project 2 - comprehensive graph editing program, loads the demo graphs and lets you edit them on screen
* Hundreds of other features  By the way: ecGraph 2.13 can be purchased with PayPal, Visa, Master Card, Wire transfer, Money Order just for $139
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