2 Contents
Complex number display format (, , ·‚)....................1-24
SHOWing Full 12–Digit Precision .......................................1-25
Fractions...............................................................................1-26
Entering Fractions..............................................................1-26
Messages..............................................................................1-27
Calculator Memory ................................................................1-28
Checking Available Memory ..............................................1-28
Clearing All of Memory .....................................................1-29
2. RPN: The Automatic Memory Stack ..............................2-1
What the Stack Is.....................................................................2-1
The X and Y–Registers are in the Display................................2-3
Clearing the X–Register........................................................2-3
Reviewing the Stack ............................................................2-3
Exchanging the X– and Y–Registers in the Stack......................2-4
Arithmetic – How the Stack Does It.............................................2-5
How ENTER Works .............................................................2-6
How to Clear the Stack ........................................................2-7
The LAST X Register..................................................................2-8
Correcting Mistakes with LAST X ..........................................2-9
Reusing Numbers with LAST X ............................................2-10
Chain Calculations in RPN Mode.............................................2-12
Work from the Parentheses Out ..........................................2-12
Exercises..........................................................................2-14
Order of Calculation .........................................................2-14
More Exercises .................................................................2-16
3. Storing Data into Variables .........................................3-1
Storing and Recalling Numbers .................................................3-2
Viewing a Variable .................................................................3-4
