HP 49g Pocket Guide

55
PTAYL
* = function
PROMPT Displays the contents of “ prompt ” in the status area, and
halts program execution.
<N IN
“ prompt ”
→
PROMPTSTO
Creates a variable with the specified name, prompts for a
value, and stores the value you enter in the variable.
N
“ global ”
→
PROOT Returns all roots of an n -degree polynomial having real or
complex coefficients.
< !
POLYNOMIAL
[ array ]
coefficients
→ [ array ]
roots
PROPFRAC Splits an improper fraction into an integer and a fraction. <!
‘ symb
1
’
→ ‘ symb
2
’
PRST Prints all objects on the stack, starting with the object on
the highest level.
N
PRSTC Prints in compact form all objects on the stack, starting
with the object on the highest level.
N
PRVAR Searches the current directory path or port for the
specified variables and prints the name and contents of
each variable.
N
‘ name ’
→
PSDEV Calculates the population standard deviation of each of
the m columns of coordinate values in Σ DAT .
N → x
psdev
Psi Calculates the digamma function in one point.* N
‘ symb
1
’ n
→ ‘ symb
2
’
PSI Calculates the polygamma function in one point.* N
‘ symb
1
’
→ ‘ symb
2
’
PTAYL Returns the Taylor polynomial for a specified polynomial.* <!
POLYNOMIAL
‘ symb
1
’ z
1
→ ‘ symb
2
’
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