Calculated Industries Home ProjectCalc Reference Manual - - 14

P

OCKET

R

EFERENCE

G

UIDE

- 14

Reset

If your calculator should ever “lock up,” press

Reset - a small hole located above the 

C

key/upper right - using the end of a paper clip.

Auto Shut-Off and Batteries

Auto Shut-Off: After 8-12 minutes of non-use.

Batteries Included: Two LR-43 batteries.

Battery-Life: 575 hours of actual use.

To replace the batteries, use a small Phillip’s

head screwdriver and unscrew the single

screw in the center of the battery door, located

on the back of the calculator 

Carefully remove the battery door, remove the

old batteries from the clips and replace them

with two new LR-43 batteries. Make sure the

positive sides (+) are facing up. Replace the

battery door and re-attach the screw.

AUTO SHUT-OFF AND BATTERIES