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Re: Improper use of slot

• To: mathgroup at smc.vnet.net
• Subject: [mg58763] Re: Improper use of slot
• From: "dkr" <dkrjeg at adelphia.net>
• Date: Sun, 17 Jul 2005 13:03:09 -0400 (EDT)
• References: <dbd0vm$2s4$1@smc.vnet.net>
• Sender: owner-wri-mathgroup at wolfram.com

You want to evaluate the pure function at lst, not map it over lst.

In[1]:=
lst={5,4,3,2};
Binomial[First[#],Last[#]]&[lst]
Out[2]=
10