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KEYSTONE: 350 (version-3)
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Product number (P/N): 350,
Keywords/Tags: 350
Date of intro: ~1973,
Number of keys: 18, #Key-Black: 11, #Key-Blue: 3, #Key-Grey: 4,
Keyboard Array (Rows x Columns): 05x04,
Decimal switch: [DECIMAL_Normal-$], Miscellaneous switch: [Off-On],
Classification: / Pocket,
Featuring: Procent, Logic-technology: VLSI (Very Large Scale Integration), calculator-on-a-Chip,
Serie-members: KEYSTONE: 350 (version-1) ('Keystone'-notation, 2 yellow Keys on dark background); KEYSTONE: 350 (version-2) ('Keystone'-notation, No yellow Keys on dark background); KEYSTONE: 350 (version-3) ('Keystone'-notation, 2 blue Keys on dark background); KEYSTONE: 350 (version-4) ('Berkey KEYSTONE'-notation),
Collector value: 8/10,

!!! This item is WANTED to join the collection !!!

Item

Created: 02-nov-2013, Manual-update: 25-apr-2022, Batch-update: 25-feb-2024             

# Pageloads since 2018: 47             

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