Lgcd, Limit – HP 49g Graphing Calculator User Manual
Page 163
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Command:
LEGENDRE{4)
Result:
(35*X^4-30*X^2+3)/8
LGCD
Type:
Function
Description:
Returns the greatest conunon divisor of a list of
expressions or values.
Access:
Arithmetic, 0®H)
Input:
A list of expressions or values.
Output:
Level 2/Item 1: The list of elements.
Level 1/Item 2: The greatest common divisor of the
elements.
Flags:
Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
LIMIT
Type:
Fimction
Description:
Rettims the limit of a fimction as it approaches a
specified value.
Access:
Calculus, 0{ClC)
LIMITS&SERIES
Input:
Level 2/Argument 1: An expression.
Level 1/Argument 2: An expression of the fonn,x'
=
y,
where x is the variable and y is the value at which the
limit is to be evaluated.
Output:
The limit of the expression at the limit point.
Flags:
Exact mode must be set (flag -105 clear).
Numeric mode must not be set (flag -03 clear).
Example:
Find the following limit:
(
Urn
U
^
y) X -
y
Command:
LIMIT { (X-'N-Y^N) / (X-Y) , X=Y)
Result:
N*EXP(N*LN(Y))/Y
See also:
SERIES
Page 14-40
Computer Algebra Commands