Question about Casio fx-300ES Calculator

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My Casio fx-300ES won't power on.

I tried changing the batteries and that doesn't help. When I click "on" it does nothing. Any help?

Thanks in advance.


-Shane

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  • 21 Answers

2 causes for this kind of problem:

1. lose battery contacts
2. poor connection on its components on the motherboard. (needs to resoldered)

Posted on May 27, 2008

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Posted on Jan 02, 2017

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The photo you have given is fx-300 ES. In that you have to press SHIFT and than AC so that It will turn off.

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Hi guys, I have big problems with my computer. It won't start. When I press the powerbutton the white light turns on for a second or two, then it turns black and nothing happends. When I connect the...


Hi,
Considering the change in time and date,I would suggest you replace the CMOS battery.This battery helps in memory storage of your PC.
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How do you change Casio fx-300ES answers in decimal format, without changing Input/Output format, 3 / 4 [SHIFT] = x?, and switching with S<->D.


There are three ways to enforce the changes, and it is quite impressive for this calculator. Yet for you it is not enough. I am sorry but I am not aware of another way.

Maybe, just maybe, if you fixed the number of decimal digits to 0, all your results will be integers, and there won't be any reason to convert any result to a decimal and the problem will be solved.

Sep 11, 2011 | Casio fx-300ES Calculator

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How to discharge battery


"Calibrating" a laptop battery is one way to increase the lifespan of a battery that doesn't last long. The procedure involves two steps: fully discharging the battery, then then fully charging it immediately thereafter. It's important to note that a full discharge doesn't mean you drain your battery until your computer powers off, but rather that you deplete it until it reaches a level of approximately 3 percent capacity, according to BatteryCare.com.

1. Charge the laptop battery to 100 percent. Allow the laptop to sit plugged-in and fully-charged for approximately two hours.

2. Click the "Battery" icon in the lower, right corner of the Windows Taskbar and click "More Power Options." Click "Change When the Computer Sleeps," then click "Change Advanced Power Settings."

3. Scroll down to "Battery" and click the "Plus Sign" icon next to it. Click "Critical Battery Level," then click the arrow to decrease the number to "3." Click "Apply," then click "OK."

4. Unplug your laptop and continue using the computer until it reaches 3 percent, at which point it hibernates automatically. Allow the computer to hibernate for at least five hours, then plug it in and allow it to recharge fully.

I hope you find it very helpful. Thank you for using fixya.

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1 Answer

My new casio fx-300ES calculator outputs answers as a fraction... how can i change the output to a decimal point?


To change a displayed result into a fraction, press the [S=D] key.
To force a result to be displayed as a decimal number before it is displayed, press [SHIF][=] instead of [=].

Aug 15, 2011 | Casio fx-300ES Calculator

1 Answer

Im running a external MONITOR. How can keep windows running when I shut the lid to my laptop? thanks


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By default, all laptops either go on standby or turn off to save precious battery, but you can override these rules from the Power Options (XP) in your control panel (Start > Control Panel > Performance and Maintenance > Power Options) and click on Advanced Tab and override the settings according to your preference.

windowslivewritercloseyourlaptoplidwithoutputtingyourpcon-1a99power-settings41.gif

I prefer "Do nothing" while closing the lid. Although this is real simple, few of us might not know it. I





Windows Vista/7:


How to Stop Laptop/Notebook Goes To Sleep or Hibernation when Closing Lid in Windows Vista

  1. Log on to your computer as an administrator. Click on Start, go to Control Panel -> System and Maintenance -> Power Options.
  2. Click on Change plan settings for the currently active plan.
  3. Click on Change advanced power settings link.
  4. In the "Power Options" dialog box's "Advanced Settings" tab for the active power plan, expand Power buttons and lid.
  5. Expand Lid close action.
  6. Change the value to Do nothing for "Lid close action" by selecting a new option from drop down menu for both On battery and Plugged in. do-nothing-lid-close-281x300.jpg Based on own preference, it's possible to set other action from the menu too. Available for selection is Do nothing, Sleep, Hibernate and Shutdown.
  7. Click OK button.

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1 Answer

I dont know how to find the square root on my casio fx-300ES. please show me how thanks.


You have a key for it. It is marked with the symbol of a radical. Press the key and type in a positive number thaen press the = sign key.

Sep 24, 2010 | Casio fx-300ES Calculator

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