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Olympia RAE 4/15 Desktop Calculator

Olympia's first electronic calculator. All-transistorized construction with magnetic core memory for register storage. 15-digit Nixie tube display. Single memory register. Four function, with automatic decimal point placement. Incandescent power, negative number, and overflow indicators. Two styles; the earlier machines have a slide-type power switch located on the keyboard panel, and square status indicators (as shown), and later-design machines have round status indicators, and push-on/push-off power switch located on the same panel as the status indicators. Either style is wanted.