Saving, Restoring, And Modifying Mode Settings - HP 30b - Business Professional Calculator User Manual

Saving, Restoring, and Modifying Mode Settings

Often, programs are designed to run in a specific mode (for example, FIX 4 or RPN). You can
L:u
use
the menu, or using the
L:u$1
1.
:u4IO
2.
3. Your program:
were at the beginning of the program.
Lu
4. returns a 12 digit number: CactdmrvAOff. See Table 13-4 for a description of
each digit.
Table 13-4
Digit Description
A is "1" for radian mode, "2" for degree mode.
a is "1" in Semi-annual mode, "2" in Annual mode.
C is "1" in Standard TVM mode, "2" in Canadian TVM mode.
c is "1" in Actual day count mode, "2" in 360 day count mode.
d is "1" if the decimal separator is ".", 2 for ","
ff is "00" to "1 1" or "13" and indicates the FIX setting (13 is for FIX=- 1 ).
m is "1" for "mm.ddyyyy" mode, "2" for "dd.mmyyyy" mode.
O is "1" for Chain mode, "2" for Algebraic mode, and "3" for RPN mode.
r
defines the regression line type. "1" for a*x+b, "2" for a*ln(x)+b, "3" for b*e
a
for b*x , "5" for b*a
t is "1" if thousands separators are not visible, "2" if they are visible.
v is "1" for 2 variable statistics, "2" for 1 variable, and "3" for 1 variable frequency.
:$:u
When using
change. For example:
314:$:u
change.
86 Programming
to recall the current mode, save it, modify the settings, either by going in
$:u
function and then restoring it. For example:
recalls and stores the current mode settings in Memory 1.
selects FIX=4.
L1:$:u
x
, "6" for a/x+b and "7" for ax
, any illegal value is ignored and this setting will not
will switch to RPN mode. No other setting will
restores the mode settings to what they
2
+bx+c.
(ax)
, "4"