If I try to add 10% to 100, the answer i get 111.1111111111 - My input 100+10%, i am expecting 110, calculator gives me 111.1111111111

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Posted on Jan 02, 2017

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SOURCE: Casio seem to have a problem with the percentage key

The issue is the fact that you are adding the %. You need to Multiply it by 1.1 instead of trying to add 10%. This is a wonky equation anyway, because your not specifying what you want to add 10% of. This is why you are getting a weird answer.

Posted on Jun 20, 2009

SOURCE: Casio calculator MS-8TV

__SETTING YOUR TAX RATE__

you hold your set % button down for three seconds until set shows again, then hit tax rate button it shows your tax rate, change your tax rate then hit set your tax rate should be set.

cliff notes:

hold set% button

hit tax+ button

change the desired %

hit set done

Posted on Jan 11, 2008

SOURCE: calculating percentages

how can i change or fix an exchange rate in Xasio JF - 100TE calculator

Posted on Jul 10, 2008

SOURCE: my calculator will not let me add or subtract percentages.

It would appear most Casio’s have a similar problem I believe this could be a fault in their programming and am awaiting reply from Casio and some of its distribution outlets.

Posted on Jun 20, 2009

SOURCE: Hi, I have a Casio calculator fx-991MS giving me wrong answers!

Hello,

I am only looking for a plausible cause of the error, because I do not believe your calculator can make such a mistake. I think you **accidentally activated the Exponential display format** and did not pay attention to the small, raised -03 that came at the end of the number displayed. It is a common mistake for those not very familiar with Scientific or exponential notation.

Let us try to reset your calculator to the normal (floating point) format.

Press the [MODE] key a number of times until you reach a screen that has FIX, SCI, NORM and under each one a number (FIX 1, SCI 2), Norm 3). To have the number of decimal place you gave in your result (4 decimal digits), you press 1 to select Fix then 4.

Be aware that scientific calculators usually stop displaying results in floating point format ( 0.0000045 ) if the number is smaller then 0.001. So basically, 0.00099 will be displayed as 9.90-04, -04 being raised above the level, and in smaller size.

Hope it helps.

Posted on Oct 02, 2009

Testimonial: *"Thanks so much, its working now:) I thought I was going to have to buy a new calculator!"*

do it this way. 100 % key then = then add 100.

Nov 17, 2016 | Casio Office Equipment & Supplies

best way to calculate percentages quickly is to multiply base number (100) by 1.xx (where xx is the percentage desired - here it would be 10 or just 1)

100*1.1=110

Works on every calculator every time.

100*1.1=110

Works on every calculator every time.

Mar 03, 2015 | Casio MS-10VC 10-Digit Display Calculator,...

On most Casio calculators you must type: '175 x 20 % -' (and '+' is for adding a percentage)

Feb 18, 2015 | Casio MS-80S Calculator

Of course it won't give you the right answer, type 100x10% then add the product to 100.

Aug 01, 2014 | Casio MS-10VC Calculator

i am giving the key input with an example..

example-

at 0, value is 300

at 50, value is 270

so how much at 30...

On 991MS,

Go in Reg mode, for doing that : press Menu,Menu, 2

Enter the values as follows,

0,300 and press M+ key on the calci

(Note: there is a "," in between 0 and 300)

then enter the following,

50,270 and press M+ key

now enter the following input exactly as displayed below:

(30) shift 2 > > > 2 =

you will get the answer as 282.

I hope you got it!!!

LOFT!!!

example-

at 0, value is 300

at 50, value is 270

so how much at 30...

On 991MS,

Go in Reg mode, for doing that : press Menu,Menu, 2

Enter the values as follows,

0,300 and press M+ key on the calci

(Note: there is a "," in between 0 and 300)

then enter the following,

50,270 and press M+ key

now enter the following input exactly as displayed below:

(30) shift 2 > > > 2 =

you will get the answer as 282.

I hope you got it!!!

LOFT!!!

Feb 22, 2011 | Casio FX-115ES Scientific Calculator

The issue is the fact that you are adding the %. You need to Multiply it by 1.1 instead of trying to add 10%. This is a wonky equation anyway, because your not specifying what you want to add 10% of. This is why you are getting a weird answer.

Jun 20, 2009 | Casio MS-80TV Scientific Calculator

I have a Casino MS-80S and yea, the percentage works different. As example to take 100 and subtract 10%, this is what I do: 100 X 10% - and then I get the answer 90 after I press the minus key. To add the percentage instead, 100 X 10% + will give me an answer of 110, after I press the plus key.

Apr 04, 2009 | Casio HR8TM Calculator

From the manual:

Function: Keys

Answer

Percentage: 100 x 5% 100 x 5 % 5

Add On: 100 + (100 x 5%) 100 x 5 % + 105

Discount:10 - (10 x 20%) 10 x 20 % - 8

Ratio: 30 = 60 x ?% 30 (division key) 60 % 50

% change: 12 = 10 + (10 x ?%) 12 - 10 % 20

Mark-up: 25% mark-up of 120 120 = 25% 160

- 40 (profit)

Function: Keys

Answer

Percentage: 100 x 5% 100 x 5 % 5

Add On: 100 + (100 x 5%) 100 x 5 % + 105

Discount:10 - (10 x 20%) 10 x 20 % - 8

Ratio: 30 = 60 x ?% 30 (division key) 60 % 50

% change: 12 = 10 + (10 x ?%) 12 - 10 % 20

Mark-up: 25% mark-up of 120 120 = 25% 160

- 40 (profit)

Mar 03, 2009 | Casio MS-80TV Scientific Calculator

I've been searching for the solution to this problem, as well. Apperently, there's no user's manual for this calculator. I'm going to call Casio on Monday to see if they can send me some sort of instructions. (800)962-2746 or (609)395-0154

good luck!!

good luck!!

Oct 25, 2007 | Casio MS-80TE Calculator

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.

Aug 23, 2007 | Casio MS-80TV Scientific Calculator

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