Sharp EL-9650 - CHAPTER 9 SOLVER FUNCTION; 1. Inputting an Equation and Finding Its Solution; 2. Selecting the Solution Analysis Method; 3. Registering an Equation

GETTING STARTED
2
2. Function of Each Part
1 Display screen
2 Power supply ON/OFF key: Press ˚ to turn on the power supply. Press Ï
n to turn off the power supply.
3 Cursor movement keys: Specifies location to input/correct characters and num-
bers. The cursor is indicated using “_” when there is no number or character. The
cursor is indicated using a flashing “
” when overlapping a number or character
(this may vary according to setting or display screen). These keys are also used
when selecting menus.
4 Set up key: Mode setting key that determines the calculation method and display
format of this graphing scientific calculator.
5 Clear/Quit key: Used when clearing numerical values, calculation commands,
programs, etc., or when returning to the previous screen. This key is also used when
clearing errors.
6 Alphabet key: Used with Å to enter letters.
7 Reset switch: Used when replacing batteries or when errors occur. Caution is
required since all memory contents will be deleted when pressing the reset switch.
8 Calculation execution key: Used when specifying calculation commands and
executing calculations.
9 Peripheral connection terminal: Terminal used when connecting separately sold
cables or a PC link cable (not a power supply).
F Secondary function: Used with Ï to input secondary functions.
G Secondary function specification key: Used when specifying an operation printed
in mustard-yellow above a key (upper left).
H Alphabet specification key: Used when specifying an operation printed in blue
above a key (upper right).
I Normal function calculation screen selection key: Used when selecting the
screen which performs numerical calculations or calculations using functions.
EL-9650-(01)En (001-036) 8/1/00, 12:04 PM2