HP 49g Pocket Guide

46
LININ
* = function
LININ Tests whether an algebraic is structurally linear for a given
variable.*
<N TEST
‘ symb ’ ‘ name ’
→ 0/1
LINSOLVE Solves a system of linear equations. <&
[[ array
1
]] [ vector
1
]
→ ‘ symb
1
’ { list
1
} ‘ symb
2
’
ΣLIST Returns the sum of the elements in a list. <P LIST
{ list }
→ z
∆LIST Returns the first differences of the elements in a list. < P LIST
{ list }
→ { differences }
ΠLIST Returns the product of the elements in a list. < P LIST
{ list }
→ z
→LIST Takes n specified objects and returns a list of those
objects.
N
obj
1
… obj
n
n
→ { obj
1
… obj
n
}
LIST→ Takes a list of n objects and returns each object
separately, and returns the total number of objects to item.
N
{ obj
1
...obj
n
}
→ obj
1
… obj
n
n
LN Returns the natural (base e ) logarithm of the argument.* >ï
z
→ ln z
LNAME Returns the variable names in a symbolic expression. N
‘ symb
1
’
→ [ vector
1
]
LNCOLLECT Simplifies an expression by collecting logarithmic terms. >ú
‘ symb
1
’
→ ‘ symb
2
’
LNP1 Returns ln ( x + 1).* < P
HYPERBOLIC
x
→ ln ( x + 1)
LOG Returns the common logarithm (base 10) of the
argument.*
>ý
z
→ log z
LOGFIT Stores LOGFIT in Σ PAR . Subsequent executions of LR
will use the log curve-fitting model.
N
Name Description Access Inputs Outputs

HP 49g Specifications

General

Model	HP 49g
Type	Graphing Calculator
Display	131 x 64 pixels
Processor	Saturn
Memory	512 KB RAM, 2 MB ROM
Power Supply	3 x AAA batteries
Connectivity	RS-232
Programming	RPL