Get numbers out of PhysicalConstants?

*To*: mathgroup at smc.vnet.net*Subject*: [mg62572] Get numbers out of PhysicalConstants?*From*: "Wonseok Shin" <wssaca at gmail.com>*Date*: Mon, 28 Nov 2005 01:38:15 -0500 (EST)*Sender*: owner-wri-mathgroup at wolfram.com

Hello, Is there any way to get numbers out of the constants defined in Miscellaneous`PhysicalConstants` package? Carrying units all the time is inconvenient in calculation. For example, In[1]:= << Miscellaneous`PhysicalConstants` In[2]:= VacuumPermeability Out[2]= \!\(\(p\ Second\ Volt\)\/\(2500000\ Ampere\ Meter\)\) I want to get the number p/2500000 out of VacuumPermeability, without units. How can I do this?

**Follow-Ups**:**Re: Get numbers out of PhysicalConstants?***From:*Renan <renan.birck@gmail.com>

**Re: Get numbers out of PhysicalConstants?***From:*<bsyehuda@gmail.com>