22 lines
505 B
Text
22 lines
505 B
Text
SUB digitalroot (what)
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LET dr = ABS(what)
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IF dr > 10 THEN
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LET ap = 0
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DO
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LET ap = ap + 1
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DO WHILE dr <> 0
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LET t = t + REMAINDER(dr, 10)
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LET dr = IP(dr / 10)
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LOOP
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LET dr = t
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LET t = 0
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LOOP WHILE dr > 9
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END IF
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PRINT what, "Additive persistance ="; ap, "Digital root ="; dr
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END SUB
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CALL digitalroot (627615)
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CALL digitalroot (39390)
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CALL digitalroot (588225)
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CALL digitalroot (393900588225)
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END
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