A slide calculator, also known as an Addiator after the best-known brand, is a mechanical calculator capable of addition and subtraction, once made by...

A slide rule is a hand-operated mechanical calculator consisting of slidable rulers for conducting mathematical operations such as multiplication, division...

The Fuller calculator, sometimes called Fuller's cylindrical slide rule, is a cylindrical slide rule with a helical main scale taking 50 turns around the...

A scientific calculator is an electronic calculator, either desktop or handheld, designed to perform calculations using basic (addition, subtraction, multiplication...

The Curta is a hand-held mechanical calculator designed by Curt Herzstark. It is known for its extremely compact design: a small cylinder that fits in...

the slide rules and adding machines that were being used for computation. With this in mind, HP built the HP 9100 desktop scientific calculator. This...

calculator The Museum of HP calculators (Slide Rules and Mechanical Calculators section) Microprocessor and single chip calculator history; foundations in...

automatically, or a simulation like an analog computer or a slide rule. Most mechanical calculators were comparable in size to small desktop computers and...

time, slide rules were the only practical portable devices for performing trigonometric and exponential functions, as existing pocket calculators could...

electronic calculators in the 1970s, slide rules were an important type of portable calculating instrument. A slide rule consists of a body and a slider that...

partially inspired by the Digi-Comp II. Slide calculator, around 1845 - Also known as Addiator, is a mechanical calculator capable of addition and subtraction...

around in a timeline Slide rule, a simple analog calculator Slide (motion) Landslide, the movement of soil, mud or rock down a slope Slide (geography), fixed...

2009-10-06. Such as the TI SR-10. Texas Instruments electronic slide rule calculator SR-10 (PDF). Dallas: Texas Instruments Incorporated. 1973. 1304-739-266...

inch calculator's processor would originate the vast majority of Texas Instruments’ revenue. In 1973, the handheld calculator SR-10 (named after slide rule)...

the first digital mechanical calculator strong and reliable enough to be used daily in an office environment. This calculator could add and subtract two...

in which calculators interpret keystrokes. These can be categorized into two main types: On a single-step or immediate-execution calculator, the user...

specifically to the method used to enter calculations into hardware or software calculators, which often have additional side effects and implications depending...

addiators, which have been replaced by electronic calculators and computer software, wheel charts and slide charts have survived to the present time. There...

also produced, resembling calculators, rather than manual slide rules. Aviation remains one of the few places that the slide rule is still in widespread...

The TI-84 Plus is a graphing calculator made by Texas Instruments which was released in early 2004. There is no original TI-84, only the TI-84 Plus, the...

following example calculates 52749 × 4 = 210996. Slide calculator Genaille–Lucas rulers Pascal's calculator Slide rule John Napier (1617). Rabdologiæ (in Latin)...

despite the proliferation of practical and affordable pocket electronic calculators. The soroban is composed of an odd number of columns or rods, each having...

A pinwheel calculator is a class of mechanical calculator described as early as 1685, and popular in the 19th and 20th century, calculating via wheels...

a cylindrical slide rule with helical scales, primarily for business uses initially. The product was named Otis King's Patent Calculator, and was manufactured...

autobiography, entitled The Lonely Sea and the Sky. Otis King's Patent Calculator "Position Line Slide Rules" (PDF). Chichester (2006). The Lonely Sea and the Sky...

Transit (1940s) Pocket calculator Fraction adder (1913) "Arithmometer" desk calculator In 1891, K&E started manufacturing slide rules. Over time it produced...

Fowler Calculators Ltd was a manufacturer of slide rules and other scientific and mathematical instruments, based in Manchester, England and founded by...

The 49G was the first HP calculator to use flash memory and have an upgradable firmware. In addition, it had a hard sliding case as opposed to the soft...

arithmetic calculations, preceding the slide-rule and the electronic calculator, and consisted of perforated pebbles sliding on iron bars. Philosophy portal...

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...