Sharp EL-9900 Calculator User Manual


 
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Contents
Caring for Your Calculator...............................................................................................1
Chapter 1
Getting Started..............................................................................................................2
Before Use ......................................................................................................................2
Using the Hard Cover .....................................................................................................3
Part Names and Functions .............................................................................................4
Main Unit .................................................................................................................4
Reversible Keyboard...............................................................................................6
Basic Key Operations .....................................................................................................8
Changing the Keyboard ..................................................................................................9
Quick Run-through: Basic Mode...................................................................................10
Chapter 2
Operating the Graphing Calculator ......................................................................... 13
Basic / Advanced Keyboard..........................................................................................13
Basic Key Operations - Standard Calculation Keys .....................................................13
1. Entering numbers .............................................................................................14
2. Performing standard math calculations ............................................................15
Cursor Basics ...............................................................................................................15
Editing Entries ..............................................................................................................17
Second Function Key....................................................................................................18
ALPHA Key ...................................................................................................................19
Math Function Keys ......................................................................................................20
MATH, STAT, and PRGM Menu Keys ...........................................................................23
SETUP Menu ................................................................................................................24
SETUP Menu Items ......................................................................................................25
Precedence of Calculations..........................................................................................27
Error Messages ............................................................................................................28
Resetting the Calculator ...............................................................................................29
1. Using the reset switch.......................................................................................29
2. Selecting the RESET within the OPTION menu ..............................................30
Chapter 3
Basic Calculations — Basic Keyboard.................................................................... 31
1. Tr y it!........................................................................................................................31
2. Arithmetic Keys .......................................................................................................33
3. Calculations Using Various Function Keys .............................................................35
4. Calculations Using MATH Menu Items ...................................................................42