Centr - HP 48gII Advanced User's Reference Manual

CENTR

Type: Command
Description: Center Command: Adjusts the first two parameters in the reserved variable PPAR, (x
and (x , y
max
hp49g+, the center pixel is in row 40, column 65 when PICT is its default size (131 × 80). On
the hp48gII, the center pixel is in row 32, column 65 when PICT is its default size (131 × 64).
If the argument is a real number x, CENTR makes the point (x,0) the plot center.
...µ
Access:
Input/Output:
See also: SCALE
CF
Type: Command
Description: Clear Flag Command: Clears the specified user or system flag.
User flags are numbered 1 through 128. System flags are numbered –1 through –128. See
Appendix C for a listing of hp49g+/hp48gII system flags and their flag numbers.
!°
Access:
Input/Output:
See also: FC?, FC?C, FS?, FS?C, SF
%CH
Type: Function
Description: Percent Change Function: Returns the percent change from x to y as a percentage of x.
If both arguments are unit objects, the units must be consistent with each other. The dimensions
of a unit object are dropped from the result, but units are part of the calculation.
For more information on using temperature units with arithmetic functions, refer to the keyword
entry of +.
!´
Access:
Flags: Numerical Results (–3)
Input/Output:
See also: %, %T
3-26 Full Command and Function Reference
), so that the point represented by the argument (x, y) is the plot center. On the
max
CENTR
Level 1/Argument 1
(x, y)
x
LL
TEST CF
Level 1/Argument 1
n
flagnumber
%
REAL CH
Level 2/Argument 1 Level 1/Argument 2
x
x
'symb'
'symb '
1
x_unit
x_unit
'symb'
( °is the left-shift of the Nkey).
( ´ is the left-shift of the Pkey).
y
'symb'
x
'symb '
2
y_unit
'symb'
x_unit
, y
min
Level 1/Item 1
Level 1/Item 1
Level 1/Item 1
100(y – x)/x
'%CH(x,symb)'
'%CH(symb,x)'
'%CH(symb , symb )'
1 2
100(y_unit – x_unit)/x_unit
'%CH(x_unit,symb)'
'%CH(symb,x_unit)'
)
min