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Education > Math Recreational > Accessing and u...
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Accessing and using built-in constants in Mathematica 6 / precision

by sal2 <sal2@[EMAIL PROTECTED] > Mar 8, 2008 at 10:29 PM

Accessing and using built-in constants in Mathematica 6 / precision tia 
sal2

Greetings all

Sorry if this is a repeat post my last post didn't show up in the 
newsgroups

I can access the constants for the elements with no problem
Example:
In[1]:= ElementData["C", "AtomicWeight"]
Out[2]:= 12.0107

1) I'm trying to use the built in constants for
speed of light, Plank's constant, etc.. but I'm having problems 
finding them / the proper syntax.  

2) Also How do I increase the amount of the decimal places?
Example:
elementatomicW := ElementData["C", "AtomicWeight"]
<< Units`
Convert[elementatomicW AMU, Kilogram]
The answer is 1.99443*10^-26 Kilogram

I add N like it says but the answer still comes out the same
Example:
<< Units`
N[Convert[elementatomicW AMU, Kilogram], 20]

tia sal2
 




 1 Posts in Topic:
Accessing and using built-in constants in Mathematica 6 / precis
sal2 <sal2@[EMAIL PROT  2008-03-08 22:29:52 

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tan12V112 Sat Sep 6 10:57:10 CDT 2008.