Search results
Results from the WOW.Com Content Network
DC100 (also known as DC100A) is a tape cartridge format that was co-developed by Hewlett-Packard and 3M. [1] Introduced in mid-1976, [2] it was developed as a data storage mechanism for the HP 9820 programmable calculator. [3]
The Sinclair Scientific Programmable, released a year later, was advertised as the first budget programmable calculator. Significant modifications to the algorithms used meant that a chipset intended for a four-function calculator was able to process scientific functions, but at the cost of reduced speed and accuracy. Compared to contemporary ...
Eight years later the company changed its name to Speed Products and created the first top-opening stapler, allowing easy refilling of a full strip of staples. [3] The design of this stapler, called the "Swingline" in 1935, [4] eventually became the industry standard. In 1956 the company was renamed Swingline, and in 1968 introduced the ...
Free File Fillable Forms is an electronic version of IRS paper forms. Free File Fillable Forms does not include any elaborate cross-checking or question-and-answer formats (such as is found in many of the Free File Software packages), instead it is a simple fill-in-the blank format (however, it does perform math calculations).
The machine cycled once. To see the total the user was required to press a Total key and the machine would print the result on a paper tape, release the locked down keys, reset the adding mechanism to zero and tabulate it back to its home position. Modern adding machines are like simple calculators. They often have a different input system, though.
The original TI-Nspire was developed out of the TI PLT SHH1 prototype calculator, the TI-92 series of calculators released in 1995, and the TI-89 series of calculators released in 1998. [ 2 ] [ 3 ] In 2011, Texas Instruments released the CX line of their TI-Nspire calculators which effectively replaced the previous generation.
Casio V.P.A.M. calculators are scientific calculators made by Casio which use Casio's Visually Perfect Algebraic Method (V.P.A.M.), Natural Display or Natural V.P.A.M. input methods. V.P.A.M. is an infix system for entering mathematical expressions, used by Casio in most of its current scientific calculators.
TI's long-running TI-30 series being one of the most widely used scientific calculators in classrooms. Casio, Canon, and Sharp, produced their graphing calculators, with Casio's FX series (beginning with the Casio FX-1 in 1972 [9]). Casio was the first company to produce a Graphing calculator (Casio fx-7000G).