Question about Casio FX-115ES Scientific Calculator

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I need step by step instructions on using Casio fx-115ES ee or exp burron.

I need to calculate how many protons are in 1gram

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The equivalent of the EE or EXP button on the Casio Fx-115ES is marked as x10^X. It is located at the bottom right of the key pad left of the = key.
To enter the power of 10 in a number written in scientific notation, you press the x10^X button followed by the exponent. If the exponent is negative you press the change sign key first [(-)] , then the one or 2 digits in the exponent.
Example Enter the mass of the proton m_p in kilograms
1.6726217 [x10^X] [(-)]27 [=]
In grams the value above is multiplied by 1000.
or
1.6726217 [x10^X] [(-)]24 [=]

Since the calculator has the physical constants (the FX-991ES definititely has them)

  1. Display the proton mass in kilograms
  2. [SHIFT ][7] to open the constants catalog,
  3. type 01 for the proton mass, then press the [x^-1].
  4. Divide the result by 1000
  5. You should get 5.978638635 x10^23

Posted on Feb 08, 2012

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Posted on Jan 02, 2017

  • 1 Answer

SOURCE: I cant find the EXP or ee button on my casio

the EXP button is the one that says 'x10' next to the 'Ans' key at the bottom.

Posted on May 15, 2009

  • 1 Answer

SOURCE: Inputing factors on a casio fx-115es calculator

Unless I am failing to understand your problem, just combine like terms to get:
9x^2+2x+4 and then enter those coefficients into the quadratic solver.
That will get you the two answers -- both of them will be complex.
If you wanted to turn those two answers into factors (complex) of the original equation simply
change the signs on each and put an x in front.
Of course, the quadratic formula would also work.
CG

Posted on Apr 28, 2009

  • 700 Answers

SOURCE: entering denominator into casio fx-115ES calculator

Yeah use bracket sign if it in double enclosed use two open parenthesis and close on the other other side. Usually it is max it in triple parenthesis or bracket.

Example

((2x-2)-(2x+4)) { = usually means you gonna use three parenthesis or bracket ((( ))).

[ = means (( ))

( = means single ( ).

Goodluck.

Posted on Jul 01, 2009

  • 7993 Answers

SOURCE: i need step by step instrucations on how to do

You have a key that is marked with two rectangles separated by a horizontal bar. This symbolises a fraction.
In MathIO, pressing the key displays the template of a two-level fraction. You are supposed to use the navigation keys to move cursor to the top rectangle to enter the numerator. Then you use the Down Nav key to move cursor to the rectangle in denominator and enter the denominator.

Posted on Oct 01, 2010

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SOURCE: Can't find a manual for Casio fx-115ES

http://support.casio.com/manualfile.php?rgn=1&cid=004001004

Posted on Nov 14, 2011

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1 Answer

How do i get the ee to work on my casio fx-115es plus?


What you call the EE ((entering power of 10 exponents) is done with the help of the key at the bottom right, and marked [x10^X].
To enter 6.02x10^23, you do as follows
6.02 [x10^X]23. When you use that short-cut key, no 10 should appear on the command line. See screen capture.

41e84ea3-2658-49be-8ce0-51b7ea24192c.png

Sep 08, 2014 | Casio fx-115ES Plus Scientific Calculator

1 Answer

I need help calculating how many protons are in 1gram


The equivalent od the EE or EXP button on the Casio Fx-115ES is marked as x10^X. It is located at the bottom right of the key pad left of the = key.
To enter the power of 10 in a number written in scientific notation, you press the x10^X button followed by the exponent. If the exponent is negative you press the change sign key first [(-)] , then the one or 2 digits in the exponent.
Example Enter the mass of the proton m_p in kilograms
1.6726217 [x10^X] [(-)]27 [=]

Feb 07, 2012 | Casio FX-115ES Scientific Calculator

2 Answers

CASIO fx-115ES I need to calculate and fnd a modulus remainder.I need to divide the number 352 by the number 91 and find the remainder. I need to use the modulus operator. Can this calculator perform...


Actually, the answer is 79.

The fx-115ES does not have a key for the modulus operation. Nor does it have an integer-part or fractional-part operation. However, it is possible to calculate the remainder using integer arithmetic.

Press MODE 4 to shift into integer mode. Then type in 3 5 2 - 9 1 * ( 3 5 2 / 9 1 ) = and see the answer 79. It's a pain as both numbers have to be entered twice, but it does get the job done.

To get back to working with real numbers again, press MODE 1 ( or MODE 2 for complex).

Feb 26, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

WHICH BUTTON SHALL I USE FOR EE OR EXP ANN ALSO FOR(+/-)


To enter an exponent of ten (EE), use the x^10^x key on the bottom row of the keyboard, between the decimal point and Ans keys. To raise a value to another value, use the x^ key to the right and below the circular cursor pad, between the x^2 and log keys. To raise e to a power, use e^x, the shifted function of the ln key on the rightmost column of the keyboard, between the logab and tan keys. To change sign (+/-), use the (-) key on the leftmost column of the keyboard, above the RCL key.

Feb 13, 2011 | Casio FX-115ES Scientific Calculator

1 Answer

When i enter 10 exp (-)2 equals, the calculator displays the result as 0.1 when it should be 0.01? why would this be happening?


Hello,
The [EE] or [Exp] shortcut is the source of much grief to the students.
When you press the [Exp] 0 you are in fact entering 1.00 so

[EE] (-)1 [=] gives 0.1
[EE] (-)2 [=] gives 0.01

Thus
10[EE](-)2 is 10[x][EE](-)2 or 10[x]0.01 = 0.1

The new generation of calculators does not have the [Exp] or [EE] key. It is replaced by a key with a more explicit label [times 10 to the X]
Hope it helps.

Sep 23, 2009 | Casio FX-300MS Calculator

1 Answer

Trying to use in standard form says to use the exp or ee button which i cant find plss help !!!


Hello,

Times are achanging. The powers of 10 used to be represented by EXP or even EE. But cheer up, it seems that Casio came to its senses and now they represent it as x10X (multiply by 10 to the Xth power) It is the middle key on the lowest row.

After you press the key, enter the exponent.


Jul 02, 2009 | Casio FX-115ES Scientific Calculator

2 Answers

I cant find the EXP or ee button on my casio


the EXP button is the one that says 'x10' next to the 'Ans' key at the bottom.

May 01, 2009 | Casio fx-300ES Calculator

2 Answers

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!

Nov 20, 2008 | Casio fx-300ES Calculator

2 Answers

How do I calculate exponential functions?


The y^x button is right next to the x^2 button. It is labled with an x raised to a square box (which I will write as x^box). Thus, if you enter (for example)

2 x^box 5 = 32

Mar 30, 2008 | Casio FX-115ES Scientific Calculator

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