Question about Casio FX-115ES Scientific Calculator

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Casio Scientific Calculator fx-83ES problem with powers!

Hi
Am trying to get to grips with this calculator, think I must have it set up wrong but don't know how to correct it. When I try and use the powers button i.e 0.005 to the power of 2 (sorry no power button on keyboard) the answer from the calculator is 2.5x10-0.5, have already tried putting it in LineIO mode but that didn't change anything!! I don't know how to correct this please help!!!!
Thanx

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Yes i have

Posted on Dec 08, 2009

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SOURCE: How do you use the

Simply press SHIFT [pi] to insert the value of pi into an expression. For example, to calculate pi/2, press SHIFT [pi] / 2 =

Posted on Jan 20, 2011

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SOURCE: help with my casio fx-115ES please??

Press [SHIFT][MODE] to open SetUp. Select [1:MathIO]
To convert a fraction to sa decimal and (maybe) convert back to fraction, use the [S<>D] key.

Posted on Sep 19, 2011

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1 Answer

Casio fx-83es


3.28 squared is 10.7584 .
10.7584 times 40 is 430.336 .
It appears your calculator is correct. I get the same result on multiple calculators, as well as by hand.

Let's work this backwards:
431.8 divided by 40 is 10.795 .
The square root of 10.795 is about 3.28557 .

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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

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How do i get pi on my casio fx-83ES calculator?


Press SHIFT x10^x (the middle key on the bottom row of the keyboard).

Jan 27, 2011 | Casio FX83ES Scientific Calculator

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How do you use the pie button on a casion scientific calculator fx-83ES


Simply press SHIFT [pi] to insert the value of pi into an expression. For example, to calculate pi/2, press SHIFT [pi] / 2 =

Jan 20, 2011 | Casio FX83ES Scientific Calculator

1 Answer

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.

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Casio fx-83ES


Press Shift and then In 

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EXP or ee button i cannot find


x10 to the power of x is the EXP button, just press this and then the number it is to the power of!

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