I did not like the software provided with the Metex M3640D, and therefore made a new program which suited me much better. It will record measurements over a period of up to 24 hours, and can manage, store and load up to six inputs.
The results can all be printed out and copied into the Windows clipboard using resource-saving metafile graphics, and thus exported easily to other applications.
Anyone who has Corel Draw can install the font 'LCD' and so produce an attractive-looking LCD-like display. Otherwise, the font Arial will be used.
The software is made for my M3640D but may work with similar Metex meters as M38xx, M46xx, ME-11 and of course the same devices sold under different brands, e.g. the RadioShack 22-805.
Here are examples of three curves for rechargeable Mignon batteries discharging into a 1.5V filament lamp.
Cyan is a new NiMH cell, Red is a really old 1200mAh NiMH, and Green is
an even older 500mAh NC cell.
And this is how printed and copied graphics should appear (reduced scale):

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