
If your calculator has an "ON" button, press it when the calculator is powered on to turn it off. Some calculators automatically turn off after remaining unused for a few minutes. Add numbers with the "+" key. Hit the "+" button between any 2 numbers to add them. For example, to add 5 to 10, press "5," "+," and then "10."
How do I use the calculator in Windows 10?
To get started, select the Start button, and then select Calculator in the list of apps. Select the Open Navigation button to switch modes. Use Standard mode for basic math, Scientific for advanced calculations, Programmer for binary code, Date calculation for working with dates, and options under Converter for converting units of measurement.
How to use a calculator for percentage calculations?
1 Whenever you are using a calculator for percentage calculations, you should make sure to press the Clear (C) or All... 2 As you enter the numbers for this calculation, you should notice that as soon as your hit the % button, your number of... More ...
How do you turn numbers into decimals on a calculator?
Divide numbers or turn fractions into decimals with the "÷" or "/" key. For example, to divide 2 by 1, press "2," "÷," and "1" and then "=." To change the fraction 4/5 to a decimal, press "4," "/," "5," and then "=." If you're using a physical calculator, the division key is likely "÷."
How do you do 4% on a calculator?
Just enter the number and press the % button, and the calculator will show the decimal equivalent. To represent the number 4% on your calculator, just press the button 4 and then %. Your calculator will turn the number 4 into 0.04, which is the decimal equivalent.

How do you work out 10% on a calculator?
1:033:18Calculate Percent (with a calculator) | Finding a Percentage - YouTubeYouTubeStart of suggested clipEnd of suggested clipForm of the percent multiply it by the number. So five percent of 60. So decimal form of fiveMoreForm of the percent multiply it by the number. So five percent of 60. So decimal form of five percent move the decimal twice to the left which is dividing by 100.
How do you calculate percentage on a calculator?
Just enter the number and press the % button, and the calculator will show the decimal equivalent. To represent the number 4% on your calculator, just press the button 4 and then %.
How do I use the percentage button on a calculator?
0:282:07How To Use The Percentage Button On A Calculator. - YouTubeYouTubeStart of suggested clipEnd of suggested clipBut instead of off you use the times K. So that the time side means off. And then you can type inMoreBut instead of off you use the times K. So that the time side means off. And then you can type in the mail which is 286 hit your equals K. And then just SD it.
How do you do percentage on iPhone calculator?
0:001:01Using The Apple iPhone Calculator Ap To Work Out A Percentage Of ...YouTubeStart of suggested clipEnd of suggested clipSo if we type in 25. Then the percent key. And then we press times 60 Plus the equals and we get theMoreSo if we type in 25. Then the percent key. And then we press times 60 Plus the equals and we get the answer 15.
How do you work out 20% on a calculator?
How to calculate percent off?Divide the number by 100 (move the decimal place two places to the left).Multiply this new number by the percentage you want to take off.Subtract the number from step 2 from the original number. This is your percent off number.
How do you take 20% off a price on a calculator?
How do I take 20 % off a price?Take the original price.Divide the original price by 5.Alternatively, divide the original price by 100 and multiply it by 20.Subtract this new number from the original one.The number you calculated is the discounted value.Enjoy your savings!
How do you figure out 20% off?
First, convert the percentage discount to a decimal. A 20 percent discount is 0.20 in decimal format. Secondly, multiply the decimal discount by the price of the item to determine the savings in dollars. For example, if the original price of the item equals $24, you would multiply 0.2 by $24 to get $4.80.
How to add and subtract on a calculator?
Add and subtract from the calculator's temporary memory with the "M" keys. The "M+" and "M-" buttons add and subtract the number on your screen from the calculator's temporary memory. For example, hit "5" and then "M+" to add 5 to this storage. Now, hit "5" again and press "M-" and you will remove it.
How to turn off calculator on and off?
If you spot any one of these power buttons, press it to turn the calculator on and off.
How to multiply in series on a calculator?
Multiply in a series by pressing "x" or "*" followed by a number. For example, if your calculator says "6 x 5," press "x," "2," and then "=" to get a final answer of "60.".
How to subtract 2 numbers?
Subtract numbers with the "-" key. Press the "-" button between any 2 numbers to subtract the second from the first. For example, hit "7," "-," and then "5" to subtract 5 from 7 and hit "=" to get an answer of "2."
How to find the square of a number?
Find the square of a number by pressing "X^2" or "yx. " The square of a number is obtained by multiplying the number by itself. For example, the square of 2 is "2 x 2," which is 4. If you press "2" into the calculator and hit "X^2" or "yx," the answer is "4."
How to find the sine and cosine of an angle?
To find the sine, cosine, or tangent of an angle, start by entering the angle value in degrees. Now, press the "sin," "cos," or "tan" button to get the sine, cosine, or tangent, respectively.
How to clear memory on a calculator?
Clear your calculator's memory using the "Clear" or "AC" button. Anytime you need to wipe the calculator's memory and anything from the display, press the "AC" or "Clear" button. For example, start by pressing "2," "x," "2," followed by "=". Now you should see "4" on the screen, which is also stored in the memory. Hit the "Clear" button and the number will reset to "0".
How does the calculator app work?
The Calculator app has keyboard shortcuts integrated into it to make things a bit easier for those of us that like to use hotkeys to get around the desktop. To start with, if you have a number pad on your keyboard, make sure NumLock is turned on and then you can use the pad to perform calculations.
How to find history on a calculator?
There are two ways you can access the history inside the app. The first is to click the history button located in the top right corner. This shows you the list of recent calculations. Clicking on anything in the history will load it back into the calculator’s input box.
How to switch between calculator modes?
You can choose from four modes, depending on your needs. To switch between modes, click the menu button at the top left and then select a mode from the options below.
How to see what number you have stored on your calculator?
To see them, click the M button with the down arrow to the far right. You can then click any number in your memory to insert it.
What does M mean in a math calculator?
M-: Subtracts the number in the input from the most recently stored number. Can also be used from the memory pane if you want to subtract from a different number in memory.
What functions do you use to store numbers in a calculator?
It’s a super useful function that’s available on the Standard, Scientific, and Programmer modes. You’ll control the memory functions using the MS, MR, M+, M-, and MC buttons.
What is date calculation mode?
The Date Calculation mode is a handy little tool that lets you calculate the difference between two specific dates. This is perfect for figuring out things like how many days old you are or how many days it is until your next vacation.
How to do percentages on a calculator?
To do percentages on a calculator using the percentage button, enter the percentage times the original number. For example, if you wanted to give a waiter a 20% tip on your $50 order, you would enter 20 and hit the percentage button to get 20%. Then you would hit the multiplication button, enter 50, and hit the equals button to find that 20% of $50 is $10. Read more to learn how to find percentages without using the percentage button!
How to find percent of a number?
Perform multiplication to find the percent “of” a number. A common calculation involving percentages is to find some percent “of” another number. For example, if you are in a restaurant you may want to tip 15% “of” your total bill. When working with percentages,
How to find the decimal equivalent of a number?
Just enter the number and press the % button, and the calculator will show the decimal equivalent.
Why is the concept of percentages more useful?
While this is not practical when cutting slices of an actual pie, the concept of percentages is much more useful because it is standard.
How to convert 1/4 into decimal?
Convert the fraction 1/4 into a decimal by performing the operation 1 ÷ 4. The result is 0.25.
What does the top of a fraction represent?
The top of the fraction, called the. numerator, represents the number of pieces you select. The bottom of the fraction, called the. denominator, represents the total number of pieces in the pie. - in this case, 8. For example, the fraction 1/8 represents one piece of the pie that has been cut in eight pieces.
How to make 82.5% a decimal?
To change the number 82.5% into a decimal, just type the buttons 8, 2, . , 5, %. The calculator will now show the value of 0.825.
What is the temperature calculator?
The temperature calculator allows you to convert temperature degrees between Celsius, Fahrenheit, Kelvin, Rankine, Delisle, Newton, Réaumur and Rømer. Enter a value in any field to see the other values.
What is length adding calculator?
The Length Adding calculator allows you to add feet and inches.
How to enter fractions in form 3/4?
To enter a fraction of the form 3/4. Click a number and then click fraction bar, then click another number. ↔. You can use fraction space button to create a number of the form 5 3/4. Enter a number, then click fraction space, click another number and then click on the fraction bar button, lastly enter another number.
What does the clear button do on a calculator?
All clear button clears the calculator, tape, and resets any functions.
What is the proper fraction button?
Proper fraction button is used to change a number of the form of 9/5 to the form of 1 4/5. A proper fraction is a fraction where the numerator (top number) is less than the denominator (bottom number).
What is a stem calculator?
This calculator allows you to create a special table where each data value is split into a stem (the first digit or digits) and a leaf (usually the last digit).
What is the purpose of the bond calculator?
The purpose of this calculator is to provide calculations and details for bond valuation problems. It is assumed that all bonds pay interest semi-annually. Future versions of this calculator will allow for different interest frequency.
