Model: -66A General: Name: none Code-Name: ? Family: ?Classic-Printer Logic: RPN Features: scientific Firsts: ?printer, no display Introduction: Date: 1973-4 Price: ? Discontinuation: Date: ? Price: ? Production-Run: ? Display: Type: ? Size: ? Number-Formats: ? Annunciators: ? Data: User-Visible: Smallest: 1E-99 Largest: 9.999999999E99 Signif.-Digits: 10 Internal: Smallest: 1E-99 Largest: 9.999999999E99 Signif.-Digits: 10 Data-Types-and-Sizes: real, 7 bytes Memory: Named-Registers: X, Y, Z, T, Last x 1-9 Flags: none Register-Usage: ? Numbered-Registers: ? Program-Steps: ? Program-Editing: ? Program-Display: ? User-RAM-Bytes: ? Total-RAM-Bytes: ? ROM-Bytes: ? Machine-State: ? File-Types: none Physical: Technology-Used: ? Processor: ? Chip-Count: ? Power-Source: ? Continuous-Memory: no Expansion-Ports: none I/O-Ports: none Clock: none Length: ? Width: ? Height: ? Weight: ? Temperature-Range: Operating: ? to ? deg C Charging: - Storage: ? to ? deg C Keyboard: Switches: ? Shift-Keys: ? User-Defined-Keys: ? Key-Arrangement:: ? Key-Labels-Base-Keyboard:: ? Programmable-Operations:: none Non-Programmable-Operations:: ? Menus:: none Bugs/ROM-Versions:: ? Notes:: This product number is listed on the HP web site (http://www.hp.com/calculators) on 2000-11-05. No real information is known. Also described in http://www.hpmuseum.org/designs/designs.htm
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