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CitiZen sr 270 II scientific calculator not working anymore. Maybe battery is dead. How do I open the casing to change it?

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Posted on Jul 18, 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

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SOURCE: my scientific calculator TI-83 plus is not working

You may need to replace the backup battery located behind a little door with a screw right above the AAA batteries. If that doesn't work you might want to try a full reset. Take all batteries out including the backup battery and leave them out for a few hours before reassembling. Hope this helps.

Posted on Oct 03, 2009

  • 630 Answers

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

Try here
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Posted on Oct 11, 2009

  • 1 Answer

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At the end of the day I found a Citizen service center in France.

Posted on Nov 01, 2009

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1 Answer

How to solve screen issue?


This is a Two Way power calculator: Solar cell and a battery. The FX9750 is a graphing calculator and not in the league of the FX85 MS. It has a backup battery and 4 AAA batteries.
Anyway, there is no reset key. If there is a reset button it must be on the back.
After you replace the battery press the ON key. It might be a good idea to leave calculator exposed to sun light or a fluorescent tube.

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1 Answer

Scientific notation


All calculator use scientific notation if the result is too small or too large. Some, like the Casio FX9750G II, offer you two Normal displays, Norm1 and Norm2 that have different limits when numbers are converted to scientific notations.
Here is how to set one or the other.
In Run>Mat press SHIFT MODE (Setup). Scroll down or up to reach the display line. Press F3 to select Norm1 or Norm2.

647acb92-c2d8-4c4c-8ce1-1038cd750f4e.png

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I am trying to find the variance can this be found with the TI-30X II S I have the Texas Instruments TI-30 X II S on solar batteries, it has 2nd function but i am not sure how to find the summation for...


There is a quick guide here which should help http://education.ti.com/downloads/guidebooks/scientific/30xii/30xiiqrg-eng.pdf
So you press 2nd Function , select 1-Var or 2-Var (for paired datat) then enter your data pressing down arrow after each and Enter to finish then press STAT / VAR to see the various variables

Please give me a thumbs up if this helped

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What battery does the Aurora Scientific Calculator SC150X take?


The SC150X is powered by 2 AG-10/389 batteries. Take out the screw on the back panel and pry the case halves apart. After installing the new batteries and reassembling the case, press the 'reset' with a small paperclip while pressing the OFF button.

Aug 28, 2010 | Aurora Electronics SC150X Scientific...

1 Answer

MY CALCULATOR IS NOT WORKING ANYMORE BUT IF I PUT IT THROUGH TH LIGHT IT WORKS,,BUT I CANT DO IT ANYMORE,PLS HELP OR MAYBE ILL GO BUY NEW ONE..LOL


Hi:

if puttin it to the light makes it work than what you got is some dead batteries you need to replace . Check the back cover and see what batteries your calculator need to be replace it with; than go to the watch repair dept in walmart or meijers buy two batteries and have them take off the back cover and remove the old batteries and replace them with new put your back cover on and your calculator will work as good as new.

Oct 07, 2009 | Office Equipment & Supplies

1 Answer

Does the Citizen Calibre 2100 have a battery that i can change, its been in my top draw for over a year and has stopped working, i have left it in the daylight to charge but the eco drive needle is still...


Citizen EcoDrive does not have calibre 2100. This is ordinary quartz calibre and uses battery SR-626W. This battery will last for 2 - 3 years and is not rechargeable.
You can check for yourself using this link:

http://www.citizenwatch.com/CUK/English/home.asp

Rate me, please.

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When I square .05 I keep getting 2.5x10-3 is there any why to get it to read .0025 instead?


Change Mode to Norm 2 in case of Casio fx 82/83/85/270/300/350 MS or Choose fix.

Jul 14, 2009 | Casio FX-115ES Scientific Calculator

1 Answer

My Casio fx-85v Super - fx solar power calculator shows a erratic


Yeah I had the same problem, you need to open your calculator and check if all the screen cables is alright, i had just put sellotape on the back of the screen from inside so that the screen hold better, and it works for me if for you not maybe something broken in the schema but try it. The thing I know for sure the problem is in the screen or from where it get the data the schema. Tell me if it's working

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

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