Erable
accept infinity arguments.
The DEL
in user mode followed by ENTER
. The DEL
followed by ENTER
.
LIMIT
instruction).
The ? symbol means that the result of an operation
is undefined. All operations involving ? will return ? after
simplifications.
?
for some expressions which are not
undetermined, like
Be aware of the fact that arithmetic operations on infinities may return
false answers because Erable
can not check for nullity if non
rational expressions are encoutered.
For example
will return
instead
of 0.
This remark applies to the
LIMIT
instruction too (call SERIES
if the answer of LIMIT
seems false).