MATLAB: Sym(1/3) bug

symboli

On https://www.mathworks.com/help/symbolic/create-symbolic-numbers-variables-and-expressions.html I see
But when I try running this I get
Is this a bug or am I doing something wrong?

Best Answer

Check your symbolic preferences. 
sympref
ans = struct with fields:
           FourierParameters: [1×2 sym]
           HeavisideAtOrigin: [1×1 sym]
            AbbreviateOutput: 1
               TypesetOutput: 1
         FloatingPointOutput: 0
      PolynomialDisplayStyle: 'default'
    MatrixWithSquareBrackets: 0
If the FloatingPointOutput if true change it to false
sympref('FloatingPointOutput',true);
sym(1/3)
ans = 
0.3333
sympref('FloatingPointOutput',false);
sym(1/3)
ans = 
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