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How to ±

• To: mathgroup at smc.vnet.net
• Subject: [mg103656] How to ±
• From: olliH <oliver.hofherr at googlemail.com>
• Date: Thu, 1 Oct 2009 06:40:55 -0400 (EDT)

Hi how do I make an expression with the =B1 Operator?

In = x =B1 1
Out = {x+1,x-1}