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When interchanging magnetic cards between the HP-67 and the HP-97, the calculators' software took care of converting the key codes, and emulated the 97's print functions through the 67's display. The HP-67 is powered by a pack of three AA-sized nickel-cadmium rechargeable batteries. Owing to the power requirements of the built-in thermal ...
Was the first scientific calculator to fly in space in 1973. [5] HP-35 calculators were carried on the Skylab 3 and Skylab 4 flights, between July 1973 and February 1974. [6] Is the first pocket calculator with a numeric range that covered 200 decades (more precise 199, ±10 ±99). [5]
APEX stands for Additive System of Photographic Exposure, ... ASA Z38.2.2-1942, featured a dial calculator, and revisions in 1949 and 1955 used a similar approach.
The Heirloom Project is a collection of traditional Unix utilities. Most of them are derived from original Unix source code, as released as open-source by Caldera and Sun. [1] The project has the following components: The Heirloom Toolchest: awk, cpio, grep, tar, pax, etc. The Heirloom Bourne Shell sh
Casio fx-570MS 2nd Edition calculator. This is a revised version of the original fx-570MS. Revised variants of W Series of calculators including new functions such as: Relocation of multiple functions into menus, previously featured in Casio fx-5500LA, [3] but function is selected by numeric keypad; Multiple statement recall; Non-programmable ...
A back-of-the-envelope calculation is a rough calculation, typically jotted down on any available scrap of paper such as an envelope.It is more than a guess but less than an accurate calculation or mathematical proof.
This elementary geometry -related article is a stub. You can help Wikipedia by expanding it.
For example, it is possible to pack 147 rectangles of size (137,95) in a rectangle of size (1600,1230). Packing different rectangles in a rectangle : The problem of packing multiple rectangles of varying widths and heights in an enclosing rectangle of minimum area (but with no boundaries on the enclosing rectangle's width or height) has an ...