30 lines
916 B
Plaintext
30 lines
916 B
Plaintext
*FLOAT64
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PRINT "Digital root of 627615 is "; FNdigitalroot(627615, 10, p) ;
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PRINT " (additive persistence " ; p ")"
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PRINT "Digital root of 39390 is "; FNdigitalroot(39390, 10, p) ;
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PRINT " (additive persistence " ; p ")"
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PRINT "Digital root of 588225 is "; FNdigitalroot(588225, 10, p) ;
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PRINT " (additive persistence " ; p ")"
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PRINT "Digital root of 393900588225 is "; FNdigitalroot(393900588225, 10, p) ;
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PRINT " (additive persistence " ; p ")"
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PRINT "Digital root of 9992 is "; FNdigitalroot(9992, 10, p) ;
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PRINT " (additive persistence " ; p ")"
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END
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DEF FNdigitalroot(n, b, RETURN c)
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c = 0
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WHILE n >= b
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c += 1
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n = FNdigitsum(n, b)
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ENDWHILE
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= n
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DEF FNdigitsum(n, b)
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LOCAL q, s
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WHILE n <> 0
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q = INT(n / b)
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s += n - q * b
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n = q
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ENDWHILE
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= s
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