title: Mathematica - printing a matrix, have fraction, want decimal to 6 places
body: <p>Hi i am currently taking a Matrix, P, and doing this</p>
  
  <pre><code>     P500 = MatrixPower[P, 500];
  </code></pre>
  
  <p>and i print it back out with P500//MatrixForm
  but many of the numbers are these HUGE fractions, and i want decimals to six places. can anyone help?</p>