Elwro 800-3 Junior

Brand: Wrocławskie Zakłady Elektroniczne „Mera-Elwro”
Model: ELWRO 800-3 Junior
Made in: Poland (Wrocław)
First year of production: 1986
Total production run: 13.696

Dimensions: 448 × 299 × 82 mm
(feet adds 3 mm; top bracket adds 13 mm; rear 27mm )
Weight: 3950 g
Rom 1Rom 2Rom 3

The Elwro 800 Junior was produced by ELWRO for use in Polish school classes.

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In addition to Sinclair BASIC, it ran CP/J, a special version of CP/M. It also used a local area network protocol called JUNET (JUnior NETwork) to connect student computers with the teachers computer. This way the teacher could share his floppy drive and monitor what the students were doing on their computers.

The computer had a document holder, as it shares the same case as the Elwirka electronic keyboard, which had a sheet music holder (last two photos).

Elwro 800 history (in Polish): https://polskiekomputery.pl/polski-mikrokomputer-elwro-800-junior-historia/