Question about Casio fx-300ES Calculator

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What battery to I buy for the backup battery in fx-300es?

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Hi,
Look on the back of the calculator. There should be a rectangle (rounded) where it says Casio and under it Rating. You should find there the battery type. For example, if it says LR44x1, you need one battery LR44 or equivalent. Different manufactures use different reference numbers.

Alternatively you may open the battery compartment, and read the reference number on the battery itself.

Hope it helps.


Hope

Posted on Dec 07, 2009

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1 Answer

HOW DO YOU TURN IT OFF AND START OVER


You could always remove the battery and start over. The procedure for removing the battery is on page 29 in the attached manual.

Good luck,

Paul http://support.casio.com/storage/en/manual/pdf/EN/004/fx-300ES_PLUS_EN.pdf

Mar 08, 2016 | Casio fx-300ES Calculator

1 Answer

Can I use the Casio fx-300es do figure derivatives?


Sorry, but you cannot. Other calculators that have this capability are the FX-115ES and the FX-991ES.

Aug 12, 2011 | Casio fx-300ES Calculator

1 Answer

Will the CASIO fx-300ES find the antilog? If so, how do I use this function?


Antilog is a somewhat outdated terminology for the inverse function of the logarithm.
mib8888_4.gif
To calculate on your FX-300ES the base 2 antilog of 4, key in
mib8888_6.gif
Correct result is 16.

Jan 20, 2011 | Casio fx-300ES Calculator

1 Answer

How do i use the fx-300es to graph


Sorry but you cannot do that. This is not a graphing calculator. However you can generate a table of values for your function (MODE TABLE) and use it to graph the curve by hand (pencil and paper).

If you need a Casio graphing calculator, one of the cheaper ones is the Casio FX-9750GII. Equivalent Texas Instruments calculators are the TI83PLUS/TI84PLUS.

Aug 31, 2010 | Casio fx-300ES Calculator

1 Answer

Casio fx-300es. How do you enter a variable? what button do you press to represent x in x+7=14 or any other problem with a variable. Everyone has a ti 84 and they have a button for x.


You have a way to enter the Variables A, B,C,D, Y and X.
Use the ALPHA key
For A use ALPHA change sign key (-), below the Fraction Template.
For B use ALPHA (degree ' ")
For C use ALPHA (HYP)
For D use ALPHA (SIN)
For X use ALPHA right )
For Y use , ALPHA (S-D) key
For =, use ALPHA and the key below the SHIFT key. May be marked CALC. The = is in the same color as the ALPHA on calculator. It should be to the upper right side of a key.

(I have an FX-991ES that is compatible with the FX-300ES, but since I do not have a picture of the FX-300ES calculator I cannot be more specific than I have been, lest I mislead you.)


Apr 09, 2010 | Casio fx-300ES Calculator

1 Answer

Fx-300ES Calculator will only operate in very bright light. Is this indicating that the battery is not functioning? (Unit is only a few months old).


It is possible that the contrast is set too dim. If that is the case, you can make the display darker.
Press [SHIFT][MODE] to enter (SETUP)
When set up screen is displayed, use the DOWN Arrow to open the second page.
Press [6:<CONT>], then press the right arrow to darken display.

Apr 07, 2010 | Casio fx-300ES Calculator

1 Answer

My Casio fx-300ES won't power on.


2 causes for this kind of problem:

1. lose battery contacts
2. poor connection on its components on the motherboard. (needs to resoldered)

Mar 11, 2008 | Casio fx-300ES Calculator

2 Answers

How do I get decimal answers


I had the same problem. To change the output to decimals, do the following:
Go to Math mode, then SHIFT, MODE (set-up), 2 (lineIO). This will cause answers to show in decimal format. I hope this helps.

I was able to find a manual at: http://www.generalmanual.com/Calculators/Casio-FX-300ES-Scientific-Financial-Calculator.htm

Nov 06, 2007 | Casio fx-300ES Calculator

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