Question about Casio FX83ES Scientific Calculator

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Trying to do this calculation. 6.67x10-11. the (-11) should be small numbers on the calculator. Cant get it to work.

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Make sure you use the (-) key instead of the - key to enter the negative exponent. - subtracts one value from another, (-) signifies a negative value.

Posted on Oct 13, 2010

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There's a small little o next to the number that I enter(10o)If I multiply by 2 it shows 12 ?


You configured the calculator to do calculation in base 8 (octal). Reset calculator or change numeration to base-10 (decimal).

May 07, 2012 | HP 35s Scientific Calculator

1 Answer

What does 7.62939453E-23 mean? How can i calculate this to all the right decimal points? I undestand that the number is too big but is there another way of doing this?


First let us start with some corrections of the terminology.
You are trying to calculate (not solve) 0.5^17. The result is 0.00000762939453. The calculator will truncate it or round it up to 0.000007629
In scientific notation it becomes 7.62939453 x10^-6. The calculator may display the power of 10 as E-06
If you obtained 7.62939453E-23 you certainly made a mistake. Contrary to what you think, such a number is extremely SMALL. here is how you would write it on paper
0.000 000 000 000 000 000 000 076 293 945
The first significant digit is at the 23rd position after the decimal mark.

Mar 04, 2012 | Texas Instruments TI-83 Plus Calculator

1 Answer

Lost my instruction booklet and revising some stats I did about a year ago. Im trying to get the exp of 4.7792. The answer should be 0.008403. I cant seem to get my calculator to give me this result.


Here you can download manual for your calculator.
But, are you sure that answer is correct? That number seems to small, I'm getting 119.0091047 for solution.

Sep 05, 2011 | Casio FX260 Scientific Calculator

1 Answer

I am trying to divide a whole into a smaller number that is a decimal, any help? The question is 5 divide into o.45


You didn't specify the make and model of your calculator, so I can't give you an exact keystroke sequence.

The calculator doesn't care whether a number is a whole number or not. Just do the division.

On most algebraic-logic calculators, to divide 5 into 0.45, press . 4 5 / 5 =
On an RPN or RPL calculator, press . 4 5 ENTER 5 /

On most algebraic-logic calculators, to divide 5 by 0.45, press 5 / . 4 5 =
On an RPN or RPL calculator, press 5 ENTER . 4 5 /

If you still have problems, please reply to this post specifying the make and model of the calculator you're trying to use.

Mar 14, 2011 | Office Equipment & Supplies

1 Answer

I am trying to use this calculator to do Organic chemistry and general chemistry problems which involve very large numbers and very small numbers or various numbers to both negative and positive...


Make sure you use the (-) key in the left column above the RCL key to enter negative exponents, not the - key which subtracts.

Do get all results in decimal instead of fraction notation, press SHIFT [SETUP] 2 to select LineIO mode.

Sep 12, 2010 | Casio FX-115ES Scientific Calculator

1 Answer

I cant get a anser it comes out in scientific notation


Press [SHIFT][MODE] to enter the (SETUP) screen, then select the number to the left of FIX. Once you do you will be prompted to enter a number between 0 and 9. If you enter 4 all your decimal results will have 4 decimal digits. If you choose 0, all decimal numbers will be rounded to the nearest integer (whole number).

Regardless of the floating display mode (SCI, FIX or NORM) the calculator is configured for, the decimal results will be in SCIENTIFIC format if they are too small or too large.

May 21, 2010 | Casio fx-300ES Calculator

1 Answer

Fx-300ES Calculator: i cant get a anser it comes out in scientific nota...


Press [SHIFT][MODE] to enter the (SETUP) screen, then select the number to the left of FIX. Once you do you will be prompted to enter a number between 0 and 9. If you enter 4 all your decimal results will have 4 decimal digits. If you choose 0, all decimal numbers will be rounded to the nearest integer (whole number).

Regardless of the floating display mode (SCI, FIX or NORM) the calculator is configured for, the decimal results will be in SCIENTIFIC format if they are too small or too large.

May 18, 2010 | Casio fx-300ES Calculator

2 Answers

I cant see the numbers, they r really light


I would first change the batteries before trying anything else. Let me know if this works. Thanks.

May 11, 2010 | Texas Instruments TI-83 Plus Calculator

1 Answer

How do i display very small exponents on the sharp 531w calculator... for example: the screen simply shows 0.0000000 for the answer 7.4*10^-14 ...i can't get answers correctly on a test or working a...


Hello,
You have several number display formats : Normal1, Normal2, Sci, ENG
If a number is too small or too large and the calculator cannot display it with the necessary number of digits (to satisfy your of decimal digits) the calculator uses Scientific notation
7.4E-14 =7.4x10^(-14)
If you were to use the norma1 or normal2 format you will have
.0000000000000074 but your calculator displays only the first 10 places

You should learn to use and interpret results in scientific format.

Hope it helps

Jul 03, 2009 | Sharp EL-531VB Calculator

1 Answer

Half-life exponential problem. Can't get the same answer as example


Hello,
Here is how you enter it.
[+/-]0.693/8x4[2ndF][e^x][=] result is 0.7071588193 or as you wrote 0.7071
some calculators show an error message if you enter the [+/-] (the negative of a number before the number itself).
In that case enter 0.693 then press [+/-]. the calculator should put a small - sign before the 0.
You can try
0.693[+/-][x]4[/]8[2ndF][e^x][=]

Hope it clarifies things.

Sep 16, 2008 | Sharp EL-531VB Calculator

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