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Documentation / Mathematica / Built-in Functions / New in Version 3.x / Numerical Computation /

Further Examples: N (modified)

Here is a numerical approximation to the square root of .

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Here is a numerical approximation to to decimal places.

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Here is an expression composed of radicals that happens to be zero.

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It is not possible to show that zz is exactly zero by using approximate arithmetic.

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This shows that zz is equivalent to zero.

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