Used DataPlot for Windows?
Developer’s Description
By CBIM
Import your measured data (time based) into this software and make nice graphs. In this basic version you can import data from a text file of any extension and draw graphs. You have control over X and Y-axis which is not possible in Excel. You can make up to 4 graphs in one page where you can combine different time axis and curves as you wish. Print directly or save as images in 3 different formats.
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