Question about Casio fx-300ES Calculator

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I have to multiply by Pi on my exam paper. (I'm wondering where the Pi button is on the Casio Fx-300ES Calculator)?

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To insert pi on this calculator press [shift] [x10x] . (you can see the pi symbol above and to the side of this button).

Posted on Apr 06, 2011

  • martinlove
    martinlove May 23, 2012

    That doesnt work at all cuz there is no pi button



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How can I change pi value to 3.14 on calculator?

I don't think you can change the pi value on your calculator. However, what you can do is store 3.14 in the memory and instead of using the pi key, recall the number from the memory key.

How to use the various memory keys is outlined in the manual.

Good luck,


Apr 07, 2016 | Casio fx-300ES Calculator

1 Answer

Cant turn a fraction into decimals

The calculator has two input modes: MathIO and LineIO. In mathIO results can be fractions or radicals (if you are calculating roots), and PI appears as PI. The final result may not be a decimal number. To convert such a result into its decimal approximation you press the key marked [S<>D]

Sep 12, 2011 | Casio fx-300ES Calculator

1 Answer

My student has this the casio fx 300es, and needs pi to show up as a number not as the pi symbol. How do we do this?

The calculator has two Input/Output Modes: The MathIO and LineIO modes. Line IO is the old input mode where all symbols are written on a single line. MathIO permits fractions to show as they would in a textbook (a horizontal fraction bar and two squares, one on top and the other at the bottom. Pi can be used as Pi and irrational square roots are displayed with the root symbol. etc,,
If you are in MarhIO and you get a result with fractions, radicals, or pi. you can readily convert it to its decimal approximation by pressim the SD key. If you enter some expression with fractions and radicals and you do not want the result displayed with fractions or radicals you press SHIFT = instead of =,
Now if you do not care to have ANYTHING displayed as a fraction, radical or with PI, just set the IO mode to the old LineIO.
To effect that, press SHIFT MODE to enter the SETUP. Select 2:LineIO. From that moment on you will no longer see a fraction, nor a radical nor PI, e,

If you ever reset the calculator, the MathIO mode will be restored as default IO mode.

Sep 12, 2011 | Casio fx-300ES Calculator

1 Answer

Trying to find the surface area of a sphere given the volume: V = 4/3 X pi X r cube problem given vol. find the surface area v = 5000 5000(3/4 pi =r cube the book reads: 3 cube before and the square...

Almost exactly the way it's written in the book.

In the LineIO mode press
3 SHIFT [xth-root] 5 0 0 0 * 3 / ( 4 * SHIFT [pi] ) ) =

In the MathIO mode press
SHIFT [xth-root] 3 right-arrow 5 0 0 0 * 3 / ( 4 * SHIFT [pi]) =

xth-root is the shifted function of the key just below and right of the big round cursor pad.
* is the multiply key
/ is the divide key
pi is the shifted function of the x10^x key in the middle of the bottom row

BTW there's no "square root" in this problem. There's a "cube root" or "third root". Square root is the second root.

May 14, 2011 | Casio fx-300ES Calculator

1 Answer

How do I multiply by Pi. (Where's the Pi button on the Casio fx-300ES)

pi is the shifted function of the x10^x key, middle of the bottom row.

Apr 05, 2011 | Casio fx-300ES Calculator

1 Answer

How do i convert 45degrees into radians on my casio fx-83es calculator?

To convert from radians to degrees, multiply by pi and divide by 180.

Feb 19, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

How do you use the pi button? I want to multiply 42 by pi and it gives me the answer of 42pi.

Well, 42pi is the result of multiplying 42 by pi, isn't it? In the default MthIO mode the calculator strives to display as many results symbolically as possible.

To convert a single result to decimal, press SD. To have all results come out in decimal, press SHIFT MODE 2 to select the LineIO mode.

Sep 17, 2010 | Casio FX-115ES Scientific 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

How do i input the radian symbol

Multiply it by 180 and then divide by PI.

Feb 23, 2009 | Casio fx-300ES Calculator

2 Answers

Casio fx-83

press mode untill u see FIX and then the numba of decimal places u want

Nov 09, 2008 | Casio fx-300ES Calculator

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