1. Press 1A(OFF) to turn off the calculator.
2. Remove the cover as shown in the illustration
and replace the battery, taking care that its plus
(+) and minus (–) ends are facing correctly.
3. Replace the cover.
4. Initialize the calculator:
O19(CLR) 3(All) =(Yes)
• Do not skip the above step!
Power Requirements: AAA-size battery R03 (UM-4) × 1
Approximate Battery Life: 17,000 hours (continuous display of flashing
Power Consumption: 0.0002 W
Operating Temperature: 0°C to 40°C (32°F to 104°F)
Dimensions: 13.8 (H) × 80 (W) × 162 (D) mm
Approximate Weight: 100 g (3.5 oz)
Frequently Asked Questions
k How can I perform input and display results the same way I did on a
model that does not have Natural Textbook Display?
Perform the following key operation: 1N(SETUP) 2(LineIO). See
"Configuring the Calculator Setup" on page E-5 for more information.
k How can I change a fraction form result to decimal form?
How can I change a fraction form result produced by a division
operation to decimal form?
See "Toggling Calculation Results" on page E-10 for the procedure.
k What is the difference between Ans memory, independent memory,
and variable memory?
Each of these types of memory acts like "containers" for temporary storage
of a single value.
Ans Memory: Stores the result of the last calculation performed. Use this
memory to carry the result of one calculation on to the next.
Independent Memory: Use this memory to totalize the results of multiple
Variables: This memory is helpful when you need to uses the same value
multiple times in one or more calculations.
k What is the key operation to take me from the STAT Mode to a mode
where I can perform arithmetic calculations?
k How can I return the calculator to its initial default settings?
Perform the following operation: 19(CLR)1(Setup)=(Yes)
(H) × 3
(W) × 6