Question about Casio FX-260 Calculator

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PROBLEM W/ CASIO fx-260 SOLAR

HELP!
I cannot get out of the DEG or RAD or GRA modes. I am trying to get back to COMP mode which should be indicated by an absence of display in the mode indicator. MODE 9 does nothing

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  • 2 more comments 
  • afunfrnd Oct 24, 2008

    I have the same problem. The can only get deg, rad, and gra. I cannot get norm, sci, fix, or comp. How can this problem be solved?

  • Anonymous Nov 13, 2008

    How do you put this calculator into SCI mode?

  • Anonymous Dec 03, 2008

    me too...

  • Anonymous Feb 14, 2009

    I have the same problem??

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  • Casio Master
  • 7,993 Answers

Sorry, but I think you misunderstood what the manual says. See the not on the screen capture.
True the sentence is not very clear, but what it means is the following:
All modes (except COMP) will have an indicator (with the appropriate labeling) displayed. When in COMP mode the COMP indicator is not displayed.

The truth of the matter is that computation- wise you have two MODES only : the general COMPutational mode and the Standard Deviation (SD Statistics) MODE. These two are incompatible because the key layout is different.

But to compute trig functions

  1. calculator must not be in SD mode, hence it is in COMP mode
  2. An angle unit must be shown on display.
Read the screen capture about the MODES of this calculators. DEG,RAD, and GRAD remind the user that the angle units in trigonometric function calculations and coordinate conversions are in degrees, radians or grads. They have nothing to do with the other calculations you are doing.

PROBLEM W/ CASIO fx-260 SOLAR - 874c328.jpg

You can only remove DEG by changing the angle unit to RADians or GRADs. In so doing, the new unit indicator (RAD, GRAD) will be displayed instead. There is no point worrying about the angle unit indicator unless you are performing coordinate conversions or calculating trigonometric functions or the inverse trigonometric functions.

MODE 9 cancels the FIX display format: decimal are displayed with a fixed number of decimal places (set by the user). After this key sequence the decimal display format reverts to NORM(al).

Posted on Jun 22, 2010

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Casio fx 992s when i try to do simple calculations like 1.33360 - 1.33041.....the answer is 3.19 and other little numbers in the top right. i dont get this or like this. i want a proper 5 decimal...


It sounds like you need a manual for your calculator. You can download a scanned copy here, and it will explain what all the keys are for. For now, here is the way to set the calculator for a five decimal place display:
  1. Press the MODE key three times. A menu offering choices of FIX, SCI or NORM will appear.
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DEG mode


The DEG indicator has absolutely nothing to do with division, fraction or other operations. It is relevant only when you are calculating trigonometric functions (Sine, Cosine Tangent and their inverse functions.)

When you are calculating trigonometric functions the results depend on the angle unit the calculator is configured for
DEG >> angle values are in degrees.
RAD>> angle value are in radians

From the equivalence 180 deg =Pi radians you get
1 rad= 180deg/Pi=180 deg/3.14..=57.29577951 degrees.

The DEG indicator merely reminds you that angles are in DEG. If you change the unit to RADians the RAD indicator will be displayed instread.

Apr 15, 2010 | Casio FX-260 Calculator

1 Answer

I have fix and deg on my fx 992s and I am only getting results and can only enter numbers to 1 dp. How do I remove this?


Ok. Press [MODE] key three times until you see a screen that shows Fix SCI and NORM. Under FIX you have 1, under SCI you have 2 and under NORM you have 3.

You cannot remove FIX, unless you replace it with another display MODE (SCI or NORM or ENGineering).

You cannot remove DEG unless you change angle unit to RADians or GRAds.
To set angle Unit You start by pressing MODE twice to get a screen that displays DEG, RAD and GRA and below them 1, 2 , qnd 3. If you press 2 the angle unit will be set to Radians. DEG will disappear, but RAD will be shown.

Whatever the display format for numbers (FIX, SCI, NORM, ENG) you can always enter numbers of any length. It is their displaying that is affected by the FIX,SCI, etc. mode.

If you want more than 1 decimal digit, press [MODE] three times, then select 1: FIX. You will be asked to select the number of decimal digits (from 0 to 9). You could take 2, 3 or 4, or anything you want.

  1. To summarize: Indicators on screen reflect the configuration or mode you are in.
  2. They can be replaced by others but you cannot clear the screen of the indicators.
  3. You can select the number of decimal digits in your results,
  4. but there is no restriction on the numbers you enter.

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Don't know how to change it from degrees to radian mode


if you press the |mode| button (at the top right of the calculator) until you see Deg Rad Gra on the screen (I believe 3 presses of the mode button) and just hit the number below the rad option on the display. This will permanently change it to radian mode until you repeat this step, or clear the memory.

There is also a way to change to radian mode for just one operation if you will be mostly using degrees for example

at the bottom there is a DRG> as a shifted function. I would just recommend changing it in the way I initially outlined as there is less room for error when making calculations.

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FIX/Mode problem?


I do not think that the DEG and FIX indicators are preventing you from calculating any logarithm. DEG appears to remind you that the CURRENT angle unit is the degree. You can change it to RAD or GRAD if you have to use those units. However, DEG will disappear only if replaced with RAD or GRAD.

The indicator FIX reminds you that the display mode for the results is the FIXed mode, not the SCIentific mode. In the FIX mode you specify the number of decimal digits from 0 to 9 and all your results will show the set number of decimals. So if all your results have a lot of unnecessary 0, maybe you should set the FIX mode to fewer decimal digits.

If you still have a problem with the calculation of logarithms, maybe the syntax you use is incorrect.

Try number then log
If that does not work
try log then number.

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Problem with Casio FX 260 Calculator


Read the screen capture about the MODES of this calculators. DEG,RAD, and GRAD remind the user that the angle units in trigonometric function calculations and coordinate conversions are in degrees, radians or grads. They have nothing to do with the other calculations you are doing.

874c328.jpg

You can only remove DEG by changing the angle unit to RADians or GRADs. In so doing, the new unit indicator (RAD, GRAD) will be displayed instead. There is no point worrying about the angle unit indicator unless you are performing coordinate conversions or calculating trigonometric functions or the inverse trigonometric functions.

MODE 9 cancels the FIX display format: decimal are displayed with a fixed number of decimal places (set by the user). After this key sequence the decimal display format reverts to NORM(al).


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