Arithmetic/Rational: Difference between revisions
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J implements rational numbers: |
J implements rational numbers: |
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3r4*2r5 |
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3r10 |
3r10 |
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NB. only works on large numbers if they are exact |
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is_perfect_rational=: 2 = (1 + i.) +/@:%@([ #~ 0 = |) ] |
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=={{header|Mathematica}}== |
=={{header|Mathematica}}== |
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