Specifications for Hewlett Packard 9825A
Manufacturer: Hewlett Packard, Calculator Products Division
Model Number: 9825A
Serial Number:
Date of Manufacture: October, 1979
Manufactured In: USA, Loveland, Colorado
Original Price: $5900 in base configuration
Weight: 26 Pounds
Size: 15.1" Wide, 19 1/2" Deep, 5.1" High
Power Requirement: 180 Watts, 120VAC 60Hz (Switch Selectable Mains Voltage)
Display Technology: 5x7 LED Dot-Matrix, 32 Character, Upper/Lower Case
Logic Technology: 16-bit LSI Multi-Chip Module CPU (3 NMOS LSI's on ceramic substrate)
Removable ROM cartridge for Operating System
4Kx1 Dynamic RAM Working/Program/Register Storage
Digits of Capacity: 12-13 Significant Digits
Decimal Modes: Full-Floating, Scientific or Fixed
Arithmetic Logic: Full algebraic, conversational, PEMDAS evaluation
Math Functions: Full complement of scientific functions
Memories: Program/Variable memory dynamically shared
Named variables for storing values
Programmable: HPL Programming Language
HPL expandable with up to 3 ROM Packs
Labeled branches, conditionals, named variables
6844 Bytes(Standard) Volatile RAM Program/Storage Register Memory
RAM Expandable to 31,420 Bytes Maximum
Peripherals: Built-in 16-column 5X7 Dot-Matrix Thermal Line Printer
Built-in Magnetic Cartridge Tape Drive (250K Bytes)
Myriad optional external peripherals, including:
Printer, Plotters, Digitizer, Cassette Tape, Floppy Disc
Previous Machine: Texas Instruments SR-60
Next Machine: Hewlett Packard HP-85
Related Machines: Hewlett Packard 9100B
Hewlett Packard 9810A
Hewlett Packard 9820A
Hewlett Packard 9830A
Hewlett Packard 9815A
Hewlett Packard HP-01
Hewlett Packard HP-85
Web Links: Dave Hicks' Museum of HP Calculators
Steve Liebson's 9285 History Website
Documentation: 9825A/S Desktop Computer Specifications
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