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6.2.2 Numbers
The following are commands and functions for numbers:

INTEGERS
Dec Pretty Printing of Objects.
Num.Ceil Maps a rational number to the next biggest integer.
Num.Floor Maps a rational number to the next smallest integer.
Num.FPart Returns the fractional part of a rational number.


RATIONALS
Dec Pretty Printing of Objects.
Num.Ceil Maps a rational number to the next biggest integer.
Num.Floor Maps a rational number to the next smallest integer.
Num.FPart Returns the fractional part of a rational number.


MODULAR INTEGERS


For details look up each item by name. Online, try ?ItemName or H.Syntax("ItemName").