Question about Casio FX-115ES Scientific Calculator

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What steps should I use to get the answer for the following using my Casio fx-115ES: [(In(1.02)-In(0.71)squared divided by 3.92 squared]? Thanks!

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Enter it almost exactly as you typed it. Just remember that ln will automatically enter the left-parenthesis, and that you don't need to close all parenthesis before pressing =.

( ( ln 1 . 0 2 ) - ln 0 . 7 1 ) x^2 / 3 . 9 2 x^2 =

Posted on Aug 04, 2010

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1 Answer

Decimal answer fx-300ES


Press SHIFT MODE 2 to switch to the LineIO mode.

May 12, 2014 | Casio FX-115ES Scientific Calculator

1 Answer

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


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

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

285 divided by 13


Hello,
That is the answer in fraction representation. If you want to convert it to decimals use the [S<->D] key. Every time you press that key the displyed result changes to the other form.

Hope it helps.

Sep 07, 2009 | Casio FX-115ES Scientific Calculator

2 Answers

Problems with fractions on the Casio fx-115es


Hello,
To convert fractions to decimals or decimals to fractions, you use the [S<->D] key. Each time you press the key the result is displayed in the other format.
Alternatively, If you multiply or divide two integer numbers put a decimal mark at the end of one of the numbers (any one). The result will be displayed in decimal format.

Hope it helps.

Jun 01, 2009 | Casio FX-115ES Scientific Calculator

1 Answer

How do I get an approximate answer instead of a radical?


press the [S<->D] button. it's directly above the DEL key.

Apr 22, 2009 | Casio FX-115ES Scientific Calculator

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