Download  Print this page

Conditional Branching - HP 12C Platinum User Manual

Financial calculator.
Hide thumbs

Advertisement

Keystrokes
t
t(or any key)

Conditional Branching

Often there are situations when it is desirable for a program to be able to branch
to different lines in program memory, depending on certain conditions. For
example, a program used by an accountant to calculate taxes might need to
branch to different program lines depending on the tax rate for the particular
income level.
The hp 12c platinum provides two conditional test instructions that are used in
programs for conditional branching:
go tests whether the number in the X-register (represented by the x in the
key symbol) is less than or equal to the number in the Y-register (represented
by the y in the key symbol). As discussed in Appendix A, the number in the
X-register is simply the number that would, if the calculator were in Run mode,
be currently in the display; and the number in the Y-register is the number
that would, if the calculator were in Run mode, have been in the display
when \ was pressed. For example, pressing 4\5 would place the
number 4 in the Y-register and the number 5 in the X-register.
gm tests whether the number in the X-register is equal to zero.
The possible results of executing either of these instructions are:
If the condition tested for is true when the instruction is executed, program
execution continues sequentially with the instruction in the next line of
program memory.
If the condition tested for is false when the instruction is executed, program
execution skips the instruction in the next line of program memory and
continues with the instruction in the following line.
Section 9: Branching and Looping
Display
Portion of third month's payment
–592.25
applied to interest.
Portion of third month's payment
–190.22
applied to principal.
Halts program execution.
–190.22
131

Advertisement

Table of Contents

   Also See for HP 12C Platinum

   Related Manuals for HP 12C Platinum

Comments to this Manuals

Symbols: 0
Latest comments: