Question about Casio FX-55 Calculator

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Posted on Jan 02, 2017

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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!"*

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SOURCE: casio fx-82es significant figures

it should...

it can be found by SHIFT then MODE then SCI is the one you want to choose

Posted on Jan 21, 2010

SOURCE: FX-55 Calculator: how do I clear my casio scientific calculator from...

press the "MODE" button 3 times and then press 3 ..., now this is normal mode

Posted on May 21, 2010

Check the result display mode (FIX, FLOATING). Choose Normal 1 or Normal 2 (if you have them).

Mar 05, 2015 | Casio Fx55Bu-Tp The Fx-55 Fraction Mate...

It's a quirk of notation. When a book says tan^2(x), it actually means (tan(x))^2. Only the trigonometric and hyperbolic functions seem to get written this way. If one wants the square of a logarithm, for example, one doesn't write log^2(x).

The short answer: if you want tan^2(55), calculate tan(55) then square it.

The short answer: if you want tan^2(55), calculate tan(55) then square it.

Oct 15, 2014 | Casio Office Equipment & Supplies

has stuck what please clarify

Sep 19, 2013 | Casio FX-82MS Scientific Calculator

Press the FIX button change to floating.

Nov 23, 2010 | Casio FX-55 Calculator

Loook for a key marked F<>D and press it to toggle between fraction and decimal displays.

Jun 09, 2010 | Casio FX-55 Calculator

press the "MODE" button 3 times and then press 3 ..., now this is normal mode

May 17, 2010 | Casio FX-55 Calculator

press MODE key until it displays

Fix Sci Norm

1 2 3

press the 3 key to select normal mode

(1 selects fixed notation, 2 selects scientific notation)

Fix Sci Norm

1 2 3

press the 3 key to select normal mode

(1 selects fixed notation, 2 selects scientific notation)

Feb 26, 2010 | Casio FX-55 Calculator

A popular question. I Googled "casio fx-55 users manual"
The first link will bring you to all the casio questions **on this site**.
Others have posted the same problem.
Possibly one of the existing solutions will work for you.
I don't want to steal someone's solution. Look for yourself cause it will be a specific series of keystrokes.

Oct 04, 2009 | Casio FX-55 Calculator

push fix button, than . or 0.

Jul 15, 2009 | Casio FX-55 Calculator

Jul 08, 2014 | Casio FX-55 Calculator

Mar 11, 2014 | Casio FX-55 Calculator

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