HP HP-28S - Printing a Running Record

• PRI (print 1) prints the object in level 1.
• PRST (print stack) prints all objects on the stack.
• PRVAR
(print variable) prints the name and contents of a variable.
• PRLCD
(print LCD) prints the display.
• CR
(carriage right) prints a blank line.
• TRAC
(trace on/off) turns Trace printing mode on and off.
Printing a Running Record
To print a running record of your calculations, turn on Trace printing
mode.
TRAC
A square appears in the TRAC menu label to indicate that Trace
printing mode is turned on.
Now see what happens when you add two numbers-for example, 44
and 72. First put 44 on the stack.
44 I ENTER I
The input and level 1 result are printed.
Now add 72.
72CB
44 ENTER
1: 44
72 +
1: 116
Again the input and level 1 result are printed.
Turn
off Trace printing mode.
TRAC 3:
150 15: Printing
2:
1: 116
DmIDilIBlllmIlmJElllm:a
I