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Re: physical constants

• To: mathgroup at smc.vnet.net
• Subject: [mg82038] Re: physical constants
• From: Steven Siew <siewsk at bp.com>
• Date: Wed, 10 Oct 2007 04:25:31 -0400 (EDT)
• References: <fefj8g$k19$1@smc.vnet.net>

According to NIST the elementary charge is a positive value.

http://physics.nist.gov/cgi-bin/cuu/Value?e|search_for=elecmag_in

The homepage for NIST is http://physics.nist.gov/cuu/Constants/


 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