The Museum of HP Calculators
The new HP-65 does what many still find hard to believe of an 11-ounce instrument that fits in the palm of your hand. It not only makes single complex calculations but also performs the complete sequence of calculations necessary to solve a problem. All you do is enter the raw data and a pre-recorded program. The HP-65 remembers and executes the correct sequence of keystrokes for solving the problem and gives you the answer automatically.
The program is recorded on a magnetic card the size of a small stick of gum. Each program can consist of as many as 100 steps, and each step can be any of the calculator's 51 arithmetic, logarithmic, trigonometric and other transcendental keystroke functions. These can be combined with branching, logical comparison and conditional skip instructions, using the HP-65's four-register operational stack and nine addressable memory registers.
You can write, edit and record your own programs on the HP-65. It couldn't be easier; push the keys in the same sequence as you would use to solve the problem manually, with the programming switch in the W/PRGM position. Then switch to WRITE to record these steps on the magnetic card. Next time you want to solve the same problem, turn the switch to RUN and insert the card.
If you don't want to write your own programs, use ours. Six pre-recorded packages, called Application Pacs, are available now; more are on the way. Each Pac contains up to 40 programs in disciplines such as mathematics, statistics, surveying, medicine. and electrical engineering. The Math Pac 1, for example, includes pre-recorded programs for hyperbolic functions, first order differential equations solving simultaneous equations in three unknowns and 37 other calculations. Each Pac costs $45.*
The HP-65 is priced at $795* including one standard Application Pac with representative programs and blank cards, handbook, battery pack, AC adapter/recharger, carrying case and travel case.
For more information on these products write to us. Hewlett-Packard, 1504 Page Mill Road, Palo Alto, California 94304.
*Domestic USA prices only.
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