From Minserv (Mineral Services):
Xplotter is a general purpose scientific graphing program for Windows. A wide variety of options allow the graphs to be customized to your requirements. Xplotter is now completely re-written with the latest Visual Studio and Net Framework. The good news, now Xplotter is specifically targeted for all CPU's, both 32 and 64 bit. Plot XY, XY Line, Bar, Log-Log, Log-Linear, Pie, Polar, Bubble, Vector, Ternary and Diamond Graphs. All Charts in 2D and 3D. Statistics Including Minima, Maxima, Median, Mean, Standard Deviation, Sum. Builtin Spreadsheet for Entering and Editing Data. Spreadsheet Reads/Writes Tab, CSV, Excel Files.