| 15r4 | |
rational constants
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| ⎕rat | |
(not implemented in the Conference Edition)
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1 if rational numbers allowed; 0 if not
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| ⍴x | |
( ⎕q in the ConfEd)
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Convert ordinary numbers to rationals
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Convert rationals to ordinary numbers
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Convert string to rationals
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| ⎕ratpp | |
( 11004⌶n in the ConfEd)
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If =0,
use r
notation in display
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If ≠0,
# digits of precision in display
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| ⍭ | |
( ⎕p in the ConfEd)
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| ⍭n | |
n-th prime
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| ¯1⍭n | |
# of primes < n (≤n
if ⎕io←1)
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| 0⍭n | |
Is n composite?
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| 1⍭n | |
Is n prime?
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| 2⍭n | |
Factorization of n (primes and exponents)
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| 3⍭n | |
Prime factorization of n
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| 4⍭n | |
The next prime > n
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| ¯4⍭n | |
The previous prime < n
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| 10⍭m,n | |
Sieve for m, …, n-1
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