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To add a new list of numbers and arrive at a total, the user was first required to "ZERO" the machine. Then, to add sets of numbers, the user was required to press numbered keys on a keyboard, which would remain depressed (rather than immediately rebound like the keys of a computer keyboard or typewriter or the buttons of a typical modern machine).
Casio SF-R20 Digital Diary featuring 256 KB RAM, from around 1993. Casio Business Navigator BN-40A. An electronic organizer (or electric organizer ) is a small calculator -sized computer, often with an built-in diary application and other functions such as an address book and calendar, replacing paper-based personal organizers .
Typically the attachment between reel and ribbon involves one grommet at each end of the ribbon that pierces the ribbon and engages with a hook on the hub of the corresponding reel. There often is a small grommet or eyelet near each end of the ribbon, which activates an automatic ribbon-reversal feature of the ribbon-advance mechanism.
The machine could add and subtract six-digit numbers, and indicated an overflow of this capacity by ringing a bell. The adding machine in the base was primarily provided to assist in the difficult task of adding or multiplying two multi-digit numbers. To this end an ingenious arrangement of rotatable Napier's bones were mounted on it.
The Sharp EL-8, also known as the ELSI-8, [1] was one of the earliest mass-produced hand-held electronic calculators [1] and the first hand-held calculator to be made by Sharp. Introduced around the start of 1971, [ note 1 ] it was based on Sharp's preceding QT-8D and QT-8B compact desktop calculators and used the same logic circuits, but it ...
Casio V.P.A.M. calculators are scientific calculators made by Casio which use Casio's Visually Perfect Algebraic Method (V.P.A.M.), Natural Display or Natural V.P.A.M. input methods. V.P.A.M. is an infix system for entering mathematical expressions, used by Casio in most of its current scientific calculators.
Pages in category "Sharp Corporation calculators" The following 4 pages are in this category, out of 4 total. This list may not reflect recent changes. E. Sharp EL-8;
Casio was established as Kashio Seisakujo in April 1946 by Tadao Kashio [] (1917–1993), an engineer specializing in fabrication technology. [1] Kashio's first major product was the yubiwa pipe, a finger ring that would hold a cigarette, allowing the wearer to smoke the cigarette down to its nub while also leaving the wearer's hands free. [6]
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