Help to ID a piece of 80s/90s tech please.

anotherbob

Clearing out the other day I found a device I remember using in the late 80s/early 90s. Wondering if it might be worth putting up on Ebay I googled it but Google couldn't find it. It's a credit-card sized calc/data bank type thing and on the box it says "Megalogic Datastar 8000M" claiming to be "the smallest pocket computer in the world". 
Maybe someone knows a place on the Web where enthusiasts for this kind of thing gather and I might find some info. 

PRAISETHESUN

A few pictures and any info on the manufacturer/product ID would probably help to identify it

bob_a_builder

This sort of thing ?
https://www.ebay.ie/sch/25298/i.html?isRefine=false&_nkw=electronic+databank

shaun_from_Africa

Possibly from this range:

and a slightly lower spec model.
Found on here:
http://www.epocalc.net/php/liste_calc.php
Or if the OP mistyped and meant to write "Datastor" and not "Datastar", something from this range maybe:

anotherbob

Here's a couple of pictures

DoaM

Seems it was also known as a SelecTronics DataStor 8000C.

http://www.calcuseum.com/SCRAPBOOK/BONUS/61330/1.htm

anotherbob

Seems I did mistype....

It is DATASTOR 8000M

I assume the 8000D was for DESK and the 8000M was for MICRO.

Probably not worth listing on Ebay.

Put it away again for the great-grandchildren to laugh at (if I get some that is.)

Thanks for your interest.