4.15 number

Numbers are elements from the coefficient ring (or ground ring). They can only be defined or accessed with respect to a basering which determines the coefficient field. See ring declarations for declarations of coefficient fields.

Warning: Beware of the special meaning of the letter e (immediately following a sequence of digits) if the field is real (or complex), Miscellaneous oddities.

4.15.1 number declarations
4.15.2 number expressions
4.15.3 number operations
4.15.4 number related functions