Question about Casio MS-80TV Scientific Calculator

3 Answers

Percentage button!! The percentage button on this calculator is automatically giving a 25% increase to whatever number I input. For example the following entry "12000 + 20%" should yield 14,440 but on this calculator the same entry yields 15,000. The only way I can get the correct number is to enter "12000 x (not +) 120%". I've never used any other calculator that gave this weird output. Thoughts?? Thanks in advance for any help you can provide.

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  • 2 more comments 
  • Anonymous Nov 12, 2008

    this calculator is ****. it cant even perform a basic percentage calculation like a normal calculator.



    The fact I have to come on here to look up solutions for a basic calculator says it all really...

  • Olepi Dec 09, 2008

    Guest's Sept 27 entry works for me. But why should we have to do that? I blame Bill Gates.....

  • john rogersone
    john rogersone Nov 27, 2013

    im not sure what you could maybe type in l/z that normally works

  • Anonymous Mar 25, 2014

    gives incorrect percentage

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3 Answers

Nooooooo

Posted on Jul 03, 2008

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The Casio MS-80TV requires you to input percentage calculations differently than other calculators. To calculate percentage change addition for this example, you must input "12000X20%+", for subtraction, you must input "12000x20%-".

Posted on Sep 27, 2007

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  • 217 Answers

They call it hardware malfunction. try removing all batteries in it and wait for 30 seconds before reinserting the batteries. If the same problem still exist, the unit is permanently damaged.

Posted on Aug 23, 2007

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1 Answer

How do i calculate percentage


small number divided by big number multiplied by 100 = %
example what % is 25 of 150
25 divided by 150 multi[plied by 100= 16.3 % approx or on your calculator-- small number divided by big number then % button

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How do I change a percentage to a fraction


Use this http://www.calculatorsoup.com/calculators/math/percent-to-fraction-calculator.php
OR to work it out yourself.....#

How to convert percent to fraction

  1. Divide the percent by 100 to get decimal number.
  2. Count the number of digits (d) to the right of the decimal point of the decimal number.Example: 2.56 has 2 digits to the right of the decimal point, so d=2.
  3. Calculate the factor (f) for making the decimal number an integer: f = 10 to power d
    Example:
    f = 10 power 2 = 100
  4. Multiply and divide the decimal number x by the factor f: x * f / f = y / f
    Example:
    2.56 * 100 / 100 = 256 / 100
  5. Find the greatest common divisor (gcd) of the fraction. Example:
    gcd(256,100) = 4
  6. Reduce the fraction by dividing the numerator and denominator by the gcd value: Example:
    256 / 100 = (256/4) / (100/4) = 64/25
Example One percent is equal to one hundredth:
1% = 1/100
So in order to convert percent to fraction, divide the percent by 100% and reduce the fraction.
For example 56% is equal to 56/100 with gcd=4 is equal to 14/25:
56% = 56/100 = 14/25

Sep 07, 2014 | Office Equipment & Supplies

1 Answer

How do i use the percentage function?


If you want to find 25% of 500
ENTER....
500 X 25 [2ndF] % will display 125.

If you want to know what % a number is of another number like for instance...
What percentage is 120 of 400?
ENTER...
120 [DIV] 400 [2ndF] % will display 30.


If you want to increase a number by some percentage like
Increase 500 by 25%
ENTER...
500 + 25 [2ndF] % will display 625.

If you want to decrease a number by a percentage like
Decrease 400 by 30%
ENTER...
400 - 30 [2ndF] % will Display 280.

NOTE [2ndF] is the 2ndF button. Do not enter the brackets [ and ].
NOTE [DIV] is the divide button. The text editor would not let me enter the divide symbol

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Casio fx-82ms calculator does not give me an answer when i use the percentage button . example if i type 0.25/ 100% i get 0.25 instead of the right answer 25


Here is a sample of the percentage calculations that the calculator can perform. You will not see among them the conversion from decimals to percentages.
To convert from decimals to percents move the decimal mark 2 places to the right and append the % sign.
To convert from percents to decimals, move the decimal mark 2 places to the left.
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1 Answer

How to calculate the percentage using the excel



Hide All
Percentages are calculated by using the following equation:
amount/total = percentage
Where percentage is in decimal format.
What do you want to do?


Calculate the amount if you know the total and percentage For example, if you purchase a computer for $800 and there is an 8.9% sales tax, how much do you have to pay for the sales tax? In this example, you want to find 8.9% of 800.
Example The example may be easier to understand if you copy it to a blank worksheet.

  1. Create a blank workbook or worksheet.
  2. Select the example in the Help topic. Note Do not select the row or column headers.
    Selecting an example from Help
  3. Press CTRL+C.
  4. In the worksheet, select cell A1, and press CTRL+V.
  5. To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.
1 2 A B Purchase price Sales tax (in decimal form) 800 0.089 Formula Description (Result) =A2*B2 Multiplies 800 by 0.089 to find the amount of sales tax to pay ($71.20) Note To convert a number in percentage format to a decimal, divide it by 100. For example, the sales tax in this example (8.9) divided by 100 is .089.
Calculate the percentage if you know the total and amount For example, if you score 42 points correctly out of 50, what is the percentage of correct answers?
Example The example may be easier to understand if you copy it to a blank worksheet.
  1. Create a blank workbook or worksheet.
  2. Select the example in the Help topic. Note Do not select the row or column headers.
    Selecting an example from Help
  3. Press CTRL+C.
  4. In the worksheet, select cell A1, and press CTRL+V.
  5. To switch between viewing the results and viewing the formulas that return the results, press CTRL+` (grave accent), or on the Formulas tab, in the Formula Auditing group, click the Show Formulas button.



Simple way Amount/Total*100

Apr 30, 2011 | Computers & Internet

1 Answer

How do you get percentages and fractions?


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2 SHIFT [%] = produces .02

To determine 20% of 150:
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To calculate what percentage of 880 is 660:
660 / 880 SHIFT [%] = produces 75

To increase 2500 by 15%:
2500 + 2500*15 SHIFT [%] = or
2500 * (1+15 SHIFT [%] ) = produces 2875

To discount 3500 by 25%:
3500 - 3500 * SHIFT [%] = or
3500 * (1-15 SHIFT [%]) = produces 2625

To calculate the percentage change from 40 to 46:
(46 - 40) / 40 SHIFT [%] produces 15

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dear tonya,
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Excel


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