what does [x] means in mathematics ?(adsbygoogle = window.adsbygoogle || []).push({});

i have found [x]= "the greatest integer <=x "

is this true ?

then, what will be the answer of of .....

[3],[1.5],[-1.5],[3.5]

i am trying to answer, please correct me

[3]=3

[1.5]=1

[-1.5]=-1

[3.5]=3

are these correct ?

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# What does [x] means in mathematics ?

**Physics Forums | Science Articles, Homework Help, Discussion**