An electronic pocket calculator with a Liquid crystal display | LCD seven-segment display, that can perform basic arithmetic operations

Others have argued that calculator use can even cause core mathematical skills to atrophy, or that such use can prevent understanding of advanced algebraic concepts.

The fundamental difference between a calculator and computer is that a computer can be programmed in a way that allows the program to take different branches according to intermediate results, while calculators are pre-designed with specific functions such as addition, multiplication, and logarithms built in.

* An abacus was created sometime between 1000 BC and 500 BC, it later become a form of calculation frequency, nowadays it can be used as a very advanced, yet basic digital calculator that uses beads on rows to represent numbers.

The Curta calculator can also do multiplication and division.

Using the Euclidean algorithm is a simple method that can even be performed without a calculator.

The primary on-board high-level programming languages of most graphing calculators ( most often Basic variants, sometimes Lisp derivatives, and more uncommonly, C derivatives ) in many cases can glue together calculator functions — such as graphs, lists, matrices, etc.

The calculator can evaluate and simplify algebraic expressions symbolically.

Many calculator games and other useful programs can be found on TI-program sharing sites.

With the aid of a pocket calculator, an informed chess competitor can calculate to within one point what his next officially published rating will be, which helps promote a perception that the ratings are fair.

* Diesel cycle calculator that can be used to show the effect of specific heat ratio, Georgia State University HyperPhysics

If you are using a financial calculator or a spreadsheet, you can usually set it for either calculation.

Imagine a calculator that can only multiply.

However, if one is told that 1931 is part of the answer, one can find the answer by entering " 6895601 ÷ 1931 " into any calculator.

Otherwise a direct result in the correct quadrant can be determined if calculator or programming software has the atan2 ( y, x ) math function and then using rule ( iii ).

As an application example, the steady-state space-charge-limited current across a piece of silicon with a charge carrier mobility of 1500 cm < sup > 2 </ sup >/ V-s, a dielectric constant of 11. 9, an area of 10 < sup >- 8 </ sup > cm < sup > 2 </ sup > and a thickness of 10 < sup >- 4 </ sup > cm can be calculated by an on line calculator as 126. 4mA at voltage 3V.

A basic food storage calculator can be used to help determine how much of these staple foods a person would need to store in order to sustain life for one full year.

Otherwise, it can be performed with a calculator such as the E6B handheld circular slide rule.

User RPL is the language that a user can program directly on the calculator.

MASD also can compile Saturn assembly language and, with the latest ROM revision for the 49g +/ 50g, ARM assembly language on the calculator itself.

Similarly, at GCSE, all current courses include one paper where no calculator of any kind can be used, but students are permitted to use graphical calculators for other papers.

For Further Mathematics an approved graphics calculator ( for example TI-83 / 84, Casio 9860, HP-39G ) or CAS ( for example TI-89, Classpad 300, HP-40G ) can be used.

In some cases, the list, matrix, and data grid facilities can be combined with the native programming language of the calculator to have the effect of a macro and scripting enabled spreadsheet.

Having a computer in his head, Bender can perform calculations, but he admits that he is a poor calculator.

Sharp put in great efforts in size and power reduction and introduced in January 1971 the Sharp EL-8, also marketed as the Facit 1111, which was close to being a pocket calculator.

and General Instrument also introduced their first collaboration in ICs, a complete single chip calculator IC for the Monroe Royal Digital III calculator.

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.

It also offers a calculator that allows the user to weight the importance of speed and compression ratio.

Another company, Commodore Business Machines ( CBM ), had invested heavily in the calculator market and was also nearly wiped out by TI's entry into the market.

The mechanical calculator was also developed as a tool for hand computation.

On the consumer end, 1977 also saw the introduction of the HP-01 algebraic calculator watch by Hewlett-Packard.

The obelus is also used alone to represent the division operation itself, as for instance as a label on a key of a calculator.

With the use of a PC, it is also possible to develop more complex programs in Motorola 68000 assembly language or C, translate them to machine language, and copy them to the calculator.

Gould once again rescued the company, injecting another $ 3 million, which allowed Commodore to purchase MOS Technology, Inc. an IC design and semiconductor manufacturer, a company which had also supplied Commodore with calculator ICs.

He is also the inventor of the handheld calculator and the thermal printer.

The package also included a spreadsheet, address book, diary, calculator and file manager.

He also usually wears a digital calculator watch.

An unlicensed version for Texas Instruments ' popular TI-83 calculator is also available, reflecting, in many ways, the advances in computer technology since its original release.

1961 was a doubly notable year for the Bell Punch Company since it then also amalgamated its calculator division with the British operation of Comptometer Corporation of Chicago, U. S. A. ( formerly the Felt & Tarrant Manufacturing Co .), to form Sumlock Comptometer Ltd.

* An article of 1965 on cold cathode tubes from Mullard Ltd. ( a British manufacturer of these devices, which also produced a prototype calculator using them ) gives an insight into why they were used in these calculators at the time-"...

Lagrange's formula ( not a difference formula ) allows that also, but going to the next higher degree without re-doing work requires that each term's value be recorded — not a problem with a computer, but maybe awkward with a calculator.

The segment explored the device's entrance into mainstream pop culture ; it also discussed the humorous use of calculator spelling to send messages through the devices.

It also began selling calculator watches during this time.

* Kim Peek, the basis for the character played by Dustin Hoffman in the movie Rain Man, was one of the few people ever verified to actually have an eidetic memory, and was also a speed reader and calculator.