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Where can I find a billion digit calculator online?

I am trying to find a Billion digit calculator so I can do very complex calculations including this number: 24/c^2. c^2 is the speed of light. The answer goes over 1 million digits, so I need a more powerfull calculator to be more acurate.

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You should try to read a bit about significant digits. In scientific and technical calculations only a few digits have any meaning and results are rounded. Get a scientific calculator that displays 10 or more digits and that will be more than enough for your very complex calculations.
You can use the calculator on your computer. Look under the Accessories submenu in All programs.

Posted on Jan 09, 2013


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SOURCE: Hi, I have a Casio calculator fx-991MS giving me wrong answers!

I am only looking for a plausible cause of the error, because I do not believe your calculator can make such a mistake. I think you accidentally activated the Exponential display format and did not pay attention to the small, raised -03 that came at the end of the number displayed. It is a common mistake for those not very familiar with Scientific or exponential notation.

Let us try to reset your calculator to the normal (floating point) format.
Press the [MODE] key a number of times until you reach a screen that has FIX, SCI, NORM and under each one a number (FIX 1, SCI 2), Norm 3). To have the number of decimal place you gave in your result (4 decimal digits), you press 1 to select Fix then 4.

Be aware that scientific calculators usually stop displaying results in floating point format ( 0.0000045 ) if the number is smaller then 0.001. So basically, 0.00099 will be displayed as 9.90-04, -04 being raised above the level, and in smaller size.

Hope it helps.

Posted on Oct 02, 2009

Testimonial: "Thanks so much, its working now:) I thought I was going to have to buy a new calculator!"

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SOURCE: Trying to find standard deviation on the calculator

I took statistics last semester and I don't really remember how, but after you enter your data, you press SHIFT, then STAT (on the 1 key), then I think it's under 5 (VAR), and maybe Xon-1? Eh, funny how long you remember this stuff for....

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SOURCE: how do i put paper into my calculator?

Follow the illustrated instructions in the manual you can download here:

Posted on Mar 12, 2010

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SOURCE: I am using FX-83GT calculator when I divide a few

Try using the S<>D(above the orange DEL button) button after you've obtained your result..

Posted on Aug 22, 2010

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SOURCE: I'm using a Staples scientific calculator BD-6108

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

Posted on Jan 26, 2011

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