Casio Digital Diary SF-4000

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Casio Digital Diary SF-4000

The Casio SF-4000 ($109.95) is a "digital diary" with a large, six-line LCD screen that displays any full month from 1901 to 2099. The schedule display indicates month, date, day and year. You can enter names, phone numbers, schedules, appointment notes. etc., into the SF-4000's 32K memory. The search function gives you six different ways to retrieve and store information in seconds. The SF-4000 also functions as a full-featured calculator with independent memory, percentage, square root and full-floating decimal. The SF-4000 is 5/8 x 3 X 5 inches, weighs six ounces and operates on three lithium CR2032 batteries.
November 1988

Manufacturer: Casio
Date: November 1988

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This exhibit has a reference ID of CH9847. Please quote this reference ID in any communication with the Centre for Computing History.


Casio Digital Diary SF-4000

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