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Calculators

A calculator is a hand-held inexpensive electronic device used to perform the operations of arithmetic. The simplest calculators can only do addition, subtraction, multiplication, and division, while scientific calculators can handle exponential operations, and trigonometric and logarithmic functions.

1,648 Questions

What does k and a mean on a sharp calculator?

On a Sharp calculator, "k" typically represents the number of thousands, while "a" stands for the number of acres. In calculations involving large numbers or specific unit conversions, these symbols help users quickly interpret the values displayed, simplifying data presentation and enhancing readability.

Why do calculators start with the numbers 789?

Calculators typically start with the numbers 7, 8, and 9 at the top because they are designed to mimic the layout of a traditional telephone keypad. This arrangement allows for easier access to frequently used digits and fits well with the natural way people read and input numbers. The layout also helps users quickly locate the higher digits, which are often used more frequently in calculations.

Is Calculator a digital device?

Yes, a calculator is a digital device. It processes numerical data using electronic components to perform arithmetic operations and other mathematical functions. Calculators can be simple, like basic handheld models, or more complex, like graphing calculators and scientific calculators, all of which rely on digital technology to function.

How do you enable thousand separator in Casio fx991ES Plus calculator?

To enable the thousand separator on the Casio fx-991ES Plus calculator, you need to adjust the display settings. Press the SHIFT key followed by the MODE key to access the setup menu. Then, choose the option for "Number Format" and select the setting that includes the thousand separator. After making this selection, the calculator will display numbers with commas separating the thousands.

What does 4E10 mean on a calculator?

The E on a calculator means "times ten to the power of." 4E10 means 4 times 10 to the power of 10.

Is there really a game on the casio calculators?

No. There is no game on the Casio Calculators. However, by pressing and holding Shift- 7- on on the fx 85 ms and fx 82 AU, along with other casion calculators, + an additional pressing on 9 on the 95-ms calcualtor, followed by (all calculators), serveral tapping of shift, will lead to a "game" which involves pressing all the buttons on the calculator except the on button in order.

What do the calculator symbols mean?

the * means divided by the check mark looking symbol means pi and the arrow pointing backwards is backspace

these are estimated answers i got from a friend i am not sure if they are correct though

What materials were originally make the calculator?

The first mechanical calculators were made of materials such as metal, wood, and glass. Metal components like gears and levers were essential for the mechanical operation of the calculator, while wooden casings provided structural support. Glass was often used for the display windows to allow users to see the numbers being calculated. Over time, as technology advanced, calculators evolved to incorporate a wider range of materials, including plastics and silicon chips for electronic components.

What if calculators were never invented?

As calculation and calculators go back to the earliest time of man trading, I'm assuming electronic calculator. As the humble electronic calculator is at the heart of every piece of digital electronics, there would be no PCs, Games consoles, lifesaving equipment, Digital TV, Cellphone, SMS, GPS, Space travel, CAD, online shopping and much more.

How can you power off your Orpat calculator?

To power off an Orpat calculator, you typically need to locate the power button, which is usually labeled as "ON/OFF" or with a similar symbol. Press and hold this button for a few seconds until the display turns off or the calculator shuts down. Some Orpat calculators may also have an automatic power-off feature after a period of inactivity to conserve battery life.

What is the uses of calculator?

A calculator answers math problems to make life easier. A calculator can be used to help solve equations to math problems. A calculator helps cut down the time it takes to solve a problem by helping with addition, multiplication, division, subtraction etc. Some special calculators can solve fractions, graph, and much more.

Is a calculator a computer?

A basic calculator that can only add, subtract, multiply and divide is not a computer. To be a computer a machine has to be programmable with a programming language.

An advanced scientific calculator that is capable of holding large amounts of information in memory, calculating Sin/Cos/Tan values etc, is a computer, as it uses internal programming to calculate these much more difficult equations.

Additional info

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The term "computer" originated before electronic computers ever existed. The name was given to people who would be given very difficult mathematical equations to "compute" the answers to. When machines took over the job the name "computer" stuck.

Where is the percent key on the TI-84 calculator?

THE Percentage Key is not on here like a cheat sheet. So you actually have to do math you simpletins. Haven't you gone to school. Email me at youcantknowmyemail@nonefoyourbeeswax.com

Ti84 and ti85 which one is better?

The TI-85 was the second graphing calculator made by Texas Instruments. (The first was the TI-81). The TI-84 is a much newer version and has more functionality and memory. The only real advantage that the TI-85 has over the TI-84 is that it costs less.

As far as where you are allowed to use the calculator, almost every test or class that allows a TI-85 will allow a TI-84 as well. The TI-84 is a much better investment. (If the TI-84 is too expensive, look into getting a TI-83. This model is also newer than the TI-85.)

What is a home loan EMI calculator?

A home loan EMI calculator is a nifty online tool provided by most banks. With the home loan EMI calculator, you can estimate the amount of EMI you'll have to pay monthly when you're taking a home loan

The length of a calculator is it 18m 18cm or 18mm?

The length of the calculator is 18 cm. When converting meters to centimeters, you multiply by 100, and when converting centimeters to millimeters, you multiply by 10. Therefore, 18 meters is equivalent to 1800 centimeters, and 18 centimeters is equivalent to 180 millimeters.

How do you play game on casio calculator fx 82ms?

Oh, dude, playing games on a calculator? That's like bringing a spoon to a knife fight. But hey, if you're feeling rebellious, you can try typing in some numbers and symbols to create a simple game like "Guess the Number" or "Calculator Tetris." Just remember, calculators are for math, not entertainment... unless you're easily entertained.

How do you use your calculator to evaluate log 25.65?

Please note that an expression like log 25.65 is ambiguous, since no base is specified. In this case, either base 10 or base e might be assumed, depending on the context.

In some calculators, especially older ones, you would press the number 25.65, then press one of the log keys. There is usually one for base 10, and one for base e. In newer calculators, you press the one of the log keys first, then the number, then something like enter.

How do you get rid of the little K on my calculator which is a Texas instruments calculator?

Oh, dude, getting rid of that pesky little "K" on your Texas Instruments calculator is a total breeze. All you gotta do is switch your calculator from scientific notation to standard notation. Just hit the "MODE" button, navigate to the "FLOAT" option, and voila, that annoying "K" will disappear faster than my motivation to go to the gym. Easy peasy, like taking candy from a baby.

How do you find inverse of a matrix in Casio fx-991MS scientific calculators?

To find the inverse of a matrix on a Casio fx-991MS scientific calculator, you first need to input the matrix you want to find the inverse of. Then, press the "SHIFT" button followed by the "MODE" button to access the matrix mode. Select the matrix you want to invert by pressing the corresponding number key. Next, press the "SHIFT" button followed by the "MATRIX" button, and then press the "x^-1" button to calculate the inverse of the matrix.

What is the shell oil trick on the calculator?

Oh, the shell oil trick on the calculator is a neat little technique where you can turn your calculator upside down and type in "7734" to spell out the word "shell". It's just a fun way to bring a smile to your day and maybe impress your friends with a little hidden calculator magic. Just remember, mistakes are just happy accidents - keep exploring and having fun with numbers!

How do you put cotangent in a TI-84 calculator?

The TI-83 does not have the cot button, however, if you type 1/tan( then this will work the same as the cot since cot=1/tan.

The other way to do this is to type (cos(x))/(sin(x)) where x is the angle you're looking for. This works because cot=cos/sin

How do you use the MRC button on a calculator?

Ah, the MRC button on a calculator is a handy little tool. It stands for Memory Recall, which means it brings back whatever number you stored in the calculator's memory. Simply press the MRC button after you've stored a number, and it will display that number for you to use in your calculations. Just like adding a happy little tree to your painting, the MRC button can add a touch of simplicity and convenience to your math equations.

What is the GT key on calculator?

GT on some four-function calculators stands for Grand Total. It displays the total of all the calculation results you entered, and pressing AC resets the counter.