How to force numeric output

*To*: mathgroup at smc.vnet.net*Subject*: [mg115576] How to force numeric output*From*: KenR <ramsey2879 at msn.com>*Date*: Sat, 15 Jan 2011 04:45:05 -0500 (EST)

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? I have Mathematica 8.0 Thankyou, Kenneth Ramsey