This chapter is aimed at providing basic information in the operation of your
calculator. The exercises are aimed at familiarizing yourself with the basic
operations and settings before actually performing a calculation.
The following exercises are aimed at getting you acquainted with the
hardware of your calculator.
The calculator uses 3 AAA batteries as main power and a CR2032 lithium
battery for memory backup.
Before using the calculator, please install the batteries according to the
To install the main batteries
a. Slide up the battery compartment cover as illustrated.
b. Insert 3 new AAA batteries into the main compartment. Make sure each
battery is inserted in the indicated direction.
To install the backup battery
a. Press down the holder. Push the plate to the shown direction and lift it.