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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

How do you remove the backup battery in the TI - 84 calculator?

Push on the battery with your finger so that it compresses downward.

Use a pen to catch the underside of the battery where the rectangular opening extends off of the circular opening that contains the battery.

The battery will surprisingly come right up (if you are me). Pull out the protruding battery and you're set.

How do you find a percentage of an amount without a calculator?

It isn't hard. It's really simple and easy. For example, you want to change 29 into a percentage. One way is this. 29 becomes 29 over 100. 29 over 100 turns into a decimal. You should know decimals. 29 over 100 should be 0.29 hundredths That's how you say the decimal form. 0.29 hundredths becomes 29%. The numerator is the percentage. You really don't need the fraction or decimal. But it helps you understand the procedures.

How do you calculate standard deviation on a Casio fx-115ES calculator?

standard deviation

calculate mean of a data set:

1. Turn calc. on or press MODE SeTUP

2.Press 3 for STAT

3. Press 1 for VAR

4.Enter values for X column

5. When done entering press SHIFT 1

6.Press 5

7.Press 2 to calculate the mean

8.Press =

i did not come up with this explanation myself i found it on a website called fixya.com so I'm not taking credit for the answer but it works.

Is there a Runescape magic max hit calculator?

zybez.net should have one, check the sidebar on the left.

How do you graph an equation in Ti83 calculator?

Go to the y= button, and type in your equation by the y1 (if there's 2 equations, press enter and type the 2nd one in by the y2). Then press graph.

How do you do powers on a ti-84 plus calculator?

There is a button above the division sign that looks like this: ^

You type: 2^5 which means 25

What is the square of a number?

A number times itslef (n^2, or n x n).

Sources

I am an algebra 2 student.

What slide transition rules?

A good rule of thumb is to only use slide transitions that you have heard of from the movie industry such as cut or fade. Then only change them when you have a major change in theme. Such as Part 1 and Part 2 would feature only two transition types -one for each part.

What are the differences between a calculator and a computer?

A computer can perform many functions beyond a calculator, including advanced calculations as well as communication, graphics and other high-level activities.

Who invented slide rule?

a person invented it. i do abid you a good day now.

How do you change the language on a ti-84?

You cannot change the language. However, many Texas Instruments provides alternatives to included applications in different languages. Unfortunately, outside of TI's applications, there are very few programs written for languages other than English.

Why does alcohol work so fast?

Alcohol is a drug that enters the bloodstream without being broken down in the stomach by the digestive system. Therefore alcohol gets to the brain quickly (unless there is enough food in the stomach to slow it down). When an alcoholic beverage is swallowed, it is diluted by gastric juices in the stomach. A small portion of the alcohol is diffused into the bloodstream directly from the stomach wall, but most passes through the pyloric junction into the small intestine, where it is very rapidly absorbed. However, up to half the alcohol is degraded in the stomach before it passes into the small intestine. In general, a lower percentage of the alcohol is degraded in a young woman's stomach than in a young man's because a young woman's gastric secretions contain lower levels of the enzyme alcohol dehydrogenase (ADH), which breaks down alcohol prior to absorption. The rate at which alcohol is absorbed can be affected by a number of factors. For example, a strong alcoholic drink, when taken into an empty stomach, may cause a spasm of the pylorus that will impede passage into the small intestine, resulting in a slower overall rate of absorption. The presence of food in the stomach, especially some fatty foods, will also delay absorption. Naturally carbonated alcohol such as champagne or alcohol taken with a carbonated beverage such as soda water will ordinarily be absorbed more rapidly than noncarbonated alcohol. Other factors, such as the emotional state of the drinker, may also affect the rate of absorption. *just a reminder that the amount of alcohol degraded in the stomach via gastric ADH is usually lower than the main organ of degradation via ADH, the liver. Gastric ADH is found within the stomach cells and not in gastric secretions. So ADH in fact mostly breaks down alcohol AFTER it's been absorbed, not before*

How do you put log functions in a TI-84?

In order to find the log with a power of ten, use the LOG button. For example, to find log105, type log(5). (The parenthesis after the g will appear when you press the LOG button.

In order to find a log with a power other than ten, you will have to divide by the log10 of that power. For example, to find log82, type log(8)/log(2).

In order to find the natural log of a number, use the LN key. For example, to find the natural log of 91, type ln(91).

Where can you find a pemdas calculator?

youcan get a specific type like the TI-34 (MOST BEST) but you can get a random one mostley i get all of my school suplies @ staples ( WHARE I GOT THE TI-34)

How do you find the LCM on a ti-83 calculator?

For example, if you want to find the least common multiple of 17 and 256:

Press Math and select NUM at the top with the arrow keys. Scroll down and choose the option that says lcm(. Then type the first number, followed by a comma, followed by the second number. Put in an ending parenthesis (If you don't, it will still work, but this is good practice for when you get to more complex problems.) You should see:

lcm(17,256)

Press ENTER. In this case, the answer will be 4352.