Question about Casio FX-115ES Scientific Calculator

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How to change the MATH mode to the default mode in fx-991es

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MthIO is the default. Press SHIFT MODE 2 to select LineIO mode. All of the settings can be accessed through either MODE or SHIFT MODE.

Posted on Sep 16, 2010

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How to change math mode into decimal mode in 991es calculator


Press MODE then 1. This will get you out of about any other mode.

Oct 18, 2016 | Casio Fx-991es Scientific Calculator

1 Answer

Is there a verify mode on the CASIO fx-991es plus calculator?


You should try to explore the calculator to find its capabilities. You can also read the manual. Everything is in it.
Press the Mode button, then the down arrow key. On the second page of the mode list you find 2:Verif

Mar 23, 2014 | Casio Brand New-Fx-991es Plus - Scientific...

1 Answer

I have a Casio fx 991ES and I'd like to have my answers in surd form instead of decimals how is that possible


Select the Math input/output mode by pressing SHIFT [SETUP] 1.

[SETUP] is the shifted function of the MODE key, located just right of the round cursor pad.

Jan 01, 2014 | Office Equipment & Supplies

1 Answer

Save equation fx 991es


In table Mode you can enter the formula for a function and generate a table of values. For a 991ES Plus you can enter two functions. However if you change MODE everything will be erased.
In EQN (equation) there is a certain number of built in formula types you can choose. You will be asked for the coefficients which will be used to solve the equation selected. However if you change MODE your lose what you entered. So basically you cannot save formulas to use as a memory aid (if that is what your intention is.) Sorry.

Jul 19, 2013 | Casio FX991ES Scientific Calculator

1 Answer

HOW CAN I SOLVE FIXSCI?


Both FIX and SCI are lit? What happens if you press SHIFT MODE then select either SCI or FIX?

Jun 17, 2013 | Casio Fx-991es Scientific Calculator

1 Answer

I want to solve FIXSCI. How can i solve it?


Both FIX and SCI are lit? What happens if you press SHIFT MODE then select either FIX or SCI?

Jun 17, 2013 | Casio Fx-991es Scientific Calculator

1 Answer

Rying to change from Math mode to normal mode


MthIO is the default mode for the fx-115ES. If you want to switch to LineIO mode, press SHIFT MODE 2.

Oct 08, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

When i press the MODE button in my CASIO fx - 911ES


Hello,
Just in case : Press [SHIFT][CLR] (9) [3: ALL] to reset the calculator and try [MODE] again.
If that does not work, your calculator may be defective or a fake (not the genuine article). If at all possible, return it to where you bought it and get a refund.
moz-screenshot.png
Here is a picture of the FX-115ES, its face looks like the 991ES. Hope I am mistaken.

15199ec.jpg

Oct 18, 2009 | Casio FX-115ES Scientific Calculator

1 Answer

I can only see 3 modes in my fx - 991ES. how can i unlock the rest of the modes?


Hello,
Just in case : Press [SHIFT][CLR] (9) [3: ALL] to reset the calculator and try [MODE] again.
If that does not work, your calculator may be defective or a fake (not the genuine article). If at all possible, return it to where you bought it and get a refund.

Here is a picture of the FX-115ES, its face looks like the 991ES. Hope I am mistaken.

15199ec.jpg

Oct 17, 2009 | Casio FX-115ES Scientific Calculator

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