Technical Desktops


Early Calc and Computers Selection:

Name: 9821A
Product Number: 9821A
Introduced: 1973
Division: Calculator Products
Original Price: $4975
Catalog Reference: 1975, page 534


The 9821A was identical to the 9820A except it had a cassette tape mechanism for mass storage instead of a magnetic card reader.

Collector's Notes:

The best resource for repairing these computers is Tony Duell's 98X0 repair manual which can be found here.


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