Question about Texas Instruments TI-30XA Calculator

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Doing percents on calculator

I am trying to do percents on calculator, but I don't know how to put it in the calculator? ex: 5.7%of 160

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  • Anonymous Jan 05, 2009

    40% of 16000

  • Anonymous Mar 15, 2014

    $470.92 is what percent of $36.00

  • Anonymous Mar 21, 2014

    142065 to 145420

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  • 27 Answers

5.7 X 160 / 100 = 9.12

or if you have a % button which most do

5.7 X 160 % = 9.12

Posted on Sep 28, 2008

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1 Answer

Where is the percentage button?


You can try pressing "alpha" or "2nd" and then pressing the key you saw the percent sign on.

here is a temporary solution in case that doesn't work:to enter a percentage up to write the digits before the tens and ones (if any, and if not, just type a zero), a point, and the last two digits.ex:
  • 56%=0.56
  • 28%=0.28
  • 132%=1.32
  • 4243%=42.43


To write down the answer, take all the digits, take off the point, if the percentage is 99% or less, don't write the zero on the right of the period, and add a percent sign.

Oct 07, 2012 | HP 35s Scientific Calculator

2 Answers

How do u get % on it


On calculators you do not usually get percents. Instead, you get values which can be converted to a percent. For example what percent is 245 out of 987. You divide 245/987=.248. This is essentially the same as saying 24.8 percent. You move the decimal over 2 values. You can also round to get a nice percent number such as 25 percent.
If you are trying to put in a percent lets say you have to find 47% of 80. You just multiply .47 * 80= 38.4

Jun 14, 2011 | Texas Instruments TI-84 Plus Silver...

1 Answer

81 is what percent of 135


To find what percent of 135 is 81 take 81/135 = 0.6 This is only in decimal form so we times 0.6 by 100
to put it into percent. So 81 is 60% of 135.

Mar 31, 2011 | Texas Instruments TI-83 Plus Calculator

1 Answer

I have a Casio FX83ES Scientific Calculator and I am trying to work out 1 out of 1700 as a percentage using it. When I type in 1/1700 I get 1 over 1700. I press S<>D and then I get...


1÷1700 expressed as a decimal is 0.000588235, which is 5.882...×10^-4. [NB not 10^4]

To convert this to a percent, remember that "per cent" means "per 100" which also means "divide by 100". To keep the answer correct, if you are dividing by 100 you must also multiply by 100.

The get the answer in percent, you must therefore multiply the previous answer by 100 to get 0.00588235 percent. (or 5.882...×10^-2 percent).

Mar 30, 2011 | Casio FX83ES Scientific Calculator

1 Answer

How to calculate a percentage - whole numbers


Say you want to know what percent x is of y (or To find out x is what percent of y).
We take x / y and times 100. Depending on what x and y are this might not always be a whole number,
we could round the number off to a whole number. An example: 81 is what percent of 135? To solve this
take (81 / 135) * 100 = (0.6) * 100 = 60 percent.

Mar 29, 2011 | Calculators

1 Answer

Simple functions do not work


I think the problem is with the programming, instead of putting in a value as a percent, put it in as a decimal, going on with your example, 100-.1= .9>% =90

Apr 29, 2009 | Texas Instruments TI-30 XIIS Calculator

1 Answer

Locate % button


There is no % button on the calculator, but depending on what you need it for, there are some simple basic programs that could work for this. If you just want to find percent from a fraction or decimal, use this one.
Hit the program button and press right two times the enter to get a new program.
Name your program "PERCENT"
hit enter
hit program, right, enter, to paste "Input" onto your screen
In quotes, put "Number?", then a comma, then N (not in quotes)
Press enter to get to a new line.
Enter "100N-->N" (once again, not in quotes)
The arrow is found directly above the on button
Press ENter again, putting you on the third line.
Hit program, right, 3 to paste Disp on your screen.
Put N after, not in quotes

Your screen should look like this:

PROGRAM:PERCENT
:Input "NUMBER",N
:100N-->N
:Disp N

Press 2nd Mode to quit, then hit the program key and select program Percent to run (making sure you are in the "Exec" menu)
Hit enter to run your program: it should turn decimals or fractions to percents.
Don't feel that your intelligence is being insulted by me giving explicit instructions that may be below your level in programming: I did not know whether or not you were proficient.

Apr 24, 2008 | Texas Instruments TI-84 Plus Calculator

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