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Re: How to force numeric output
 To: mathgroup at smc.vnet.net
 Subject: [mg115600] Re: How to force numeric output
 From: Bill Rowe <readnews at sbcglobal.net>
 Date: Sun, 16 Jan 2011 05:51:51 0500 (EST)
On 1/15/11 at 4:45 AM, ramsey2879 at msn.com (KenR) wrote:
>I am new to Mathematica and cant seem to get it to give a numeric
>answer to
>input y = 5; x = floor[sqrt[y+1.0]]; x.
>instead of a numeric it gives "out floor[sqrt[6.0]]"
>what am I doing wrong?
All builtin functions in Mathematica begin with an uppercase
letter. So, anything you enter that begins with lowercase letter
will be something *you* have to define before Mathematica can do
anything other that take it to be an arbitrary symbol or
function. So, try
y = 5; x = Floor[Sqrt[y+1.0]]
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