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1×10 −1: multiplication of two 10-digit numbers by a 1940s electromechanical desk calculator [1] 3×10 −1: multiplication on Zuse Z3 and Z4, first programmable digital computers, 1941 and 1945 respectively; 5×10 −1: computing power of the average human mental calculation [clarification needed] for multiplication using pen and paper
Full scientific/engineering mathematical features; Keystroke-programmable with full boolean and program-control command sets and line edit, insert and delete; HP "equation list" equation editor (fully algebraic) in both the stand-alone list as well as in keystroke programs; HP Solver feature (solves equations and functions for one unknown)
Software calculators that simulate hand-held, immediate execution calculators do not use the full power of the computer: "A computer is a far more powerful device than a hand-held calculator, and thus it is illogical and limiting to duplicate hand-held calculators on a computer."
Two to the power of n, written as 2 n, is the number of values in which the bits in a binary word of length n can be set, where each bit is either of two values. A word, interpreted as representing an integer in a range starting at zero, referred to as an "unsigned integer", can represent values from 0 (000...000 2) to 2 n − 1 (111...111 2) inclusively.
Unit conversions and table of physical constants; Keystroke programmability with approximately 30 kilobytes of memory for programs and data; The HP 35s has been given a retro look reminiscent of classic HP calculators from the 1970s to the 1990s. However, it provides far more functions, processing power, and memory than most of those earlier ...
Made in Japan, this was also the first calculator to use an LED display, the first hand-held calculator to use a single integrated circuit (then proclaimed as a "calculator on a chip"), the Mostek MK6010, and the first electronic calculator to run off replaceable batteries. Using four AA-size cells the LE-120A measures 4.9 by 2.8 by 0.9 inches ...
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Toggle the table of contents. HP 30 series ... 2×1.5V AA cell batteries or power supply: Weight: 6 oz (170 g) to 8 oz (230 g) ... As this calculator is regarded ...