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Posted on Jan 02, 2017

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SOURCE: instruction manual for Casio fx -991 Scientific calculator

There are plenty of casio 991 manuals here. Take your pick!

http://safemanuals.com/zearch_160.php

Dom't forget to leave feedback if it solves your problem. 'fixya'!

Posted on May 01, 2008

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SOURCE: Inputing scientific notation into my calculator

Hello,

1. To convert a number to scientific equation, use [2nd][Sci]

Exemples 12345 [=] screen shows 12345 Then [2nd][Sci] coverts it to 1.2345 ^04 to the power 4.

2. To enter directly a number in scientific notation (e.g. -1.2345 X10^(-65) a very small number) you use the [EE] key 1.2345[+ /-][EE][+/-]65 shows as -1.2345 -65

1.6X10^(-19) 1.6[EE][+/-]19 shows as 1.6 -19

Hope it helps

Posted on Sep 17, 2009

SOURCE: I need Kenko Scientific Calculator KK-570TL manual

Try here

http://support.casio.com/manualfile.php?rgn=2&cid=004001014

Posted on Oct 11, 2009

SOURCE: change decimal placement on calculator

pressing the tab button displays the number of decimal places 0, 2, 3, 4, A, F on the bottom of the screen.

Posted on Aug 06, 2010

Of course it is possible!

There seem to be many ways to do this on this calculator.

Assuming we cannot do scientific notation, we can always do

6.02 x 10 ^ 23 / 3.01 x 10 ^23. However, we have to put brackets in to get BEDMAS to work correctly!

6.02 x 10^23 / (3.01 x 10^23) - for the 10^23, type 10 then the y to the x key and then 23.

Using the scientific notation, we can type in 6.02 EXP 23 / 3.01 EXP 23.

Good luck with your chemistry test tomorrow!

Take care,

Paul

There seem to be many ways to do this on this calculator.

Assuming we cannot do scientific notation, we can always do

6.02 x 10 ^ 23 / 3.01 x 10 ^23. However, we have to put brackets in to get BEDMAS to work correctly!

6.02 x 10^23 / (3.01 x 10^23) - for the 10^23, type 10 then the y to the x key and then 23.

Using the scientific notation, we can type in 6.02 EXP 23 / 3.01 EXP 23.

Good luck with your chemistry test tomorrow!

Take care,

Paul

Nov 28, 2016 | Office Equipment & Supplies

To find percentages on this calculator, or any calculator, you divide one number by the other, and multiply the result by 100.

For example, for 2 out of 5, we type in 2, hit the divide button, type in 5 and hit the equals sign and we will get 0.4. To make this into percentage, we then multiply the answer by 100 to get 40%.

Good luck,

Paul

For example, for 2 out of 5, we type in 2, hit the divide button, type in 5 and hit the equals sign and we will get 0.4. To make this into percentage, we then multiply the answer by 100 to get 40%.

Good luck,

Paul

Oct 27, 2016 | Staples Office Equipment & Supplies

It is the y to the x button, to the right of the EXP button. On the screen, the ^ will appear.

For example, 10 y to the x 3 will equal 1 000, 10 x 10 x 10.

For example, 10 y to the x 3 will equal 1 000, 10 x 10 x 10.

Feb 20, 2015 | Staples Office Equipment & Supplies

To set the BD-9512 (Staples Big Digit Tax Calculator)

1. Press ON/AC

2. Press and HOLD the RATE button (for 2 sec)

3. Enter desired Tax amount (i.e.: enter only 13 for 13%)

4. Press TAX + (or TAX - if setting the minus button)

5. Press RATE to save it.

Violia!

1. Press ON/AC

2. Press and HOLD the RATE button (for 2 sec)

3. Enter desired Tax amount (i.e.: enter only 13 for 13%)

4. Press TAX + (or TAX - if setting the minus button)

5. Press RATE to save it.

Violia!

Feb 17, 2014 | Casio MS-80TV Scientific Calculator

Look for a user manual at the official website of your product or just see the back of your product carefully near battery...you will find reset location...

Nov 06, 2013 | Staples SPLP500 Scientific Calculator

On the Staples Scientific Calculator BD-107i, I can't find the fraction function. I don't think there is one.

Mar 02, 2013 | Staples Office Equipment & Supplies

Same just happened to me. Remove the 2 little screws and then carefully prize open the calculator. Remove battery and leave out for some time. It will then reset to default and your calculator will work as before.

Sep 15, 2011 | Staples SPL120 Basic Calculator

go to this link and see if your manual is there. BD 6120G Graphing Scientific calculator manual Google Search

Feb 22, 2011 | Office Equipment & Supplies

I want to set up the tax rate on my BD-6235T Staples calculator ??

Dec 18, 2010 | Office Equipment & Supplies

What is BIN at the top of the screen? How do you get rid of it?

Jun 19, 2010 | Staples SPLP500 Scientific Calculator

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