MathGroup Archive 2007

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Re: physical constants

According to NIST the elementary charge is a positive value.|search_for=elecmag_in

The homepage for NIST is

 elementary charge
 Value 	 1.602 176 487 x 10-19 C
 Standard uncertainty 	 0.000 000 040 x 10-19 C
  Relative standard uncertainty 	  2.5 x 10-8
 Concise form 	 1.602 176 487(40) x 10-19 C

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