7
Preparation
ˆ
Preparation
CHOOSING A POWER
SOURCE
You can power your calculator from:
• four AA batteries (not supplied)
• standard AC power, using an AC
adapter (not supplied)
If you plan to use the print function
frequently, we suggest you use an AC
adapter.
Installing Batteries
You can power your calculator from four
AA batteries. We recommend RadioShack
alkaline batteries for longest life.
Cautions:
• Use only fresh batteries of the
required size and recommended
type.
• Do not mix old and new batteries,
different types of batteries (standard,
alkaline, or rechargeable), or