Note:
Please use caution when disposing of
your old batteries, as they contain hazardous
chemicals.
Replacement batteries are available at most
discount or electronics stores. You may also
call Calculated Industries at
1-775-885-4900
.
Battery Replacement Instructions
To replace the batteries, slide open the
battery door (at top backside of unit) and
replace with new batteries. Make sure the
batteries are facing positive side up.
Reset
If your calculator should ever “lock up”, insert
the tip of a paperclip into the small Reset
hole located above the
A
key – to perform
a total reset.
P
ocket
R
efeRence
G
uide
—
39
(cont'd)
Given side B and angle a, find:
Side A
B
a
Side C
B
a
Given side C and angle a, find:
Side A
C
a
Side B
C
a
Given side A and side C, find:
Angle a
A
C
Angle b
A
C
Given side B and angle b, find:
Side C
B
b
Side A
B
b
aPPendix
Auto Shut-Off
Your calculator is designed to shut itself off
after about 8-12 minutes of non-use.
Batteries
The
Pipe Trades Pro
uses two LR-44
batteries.
Replacing Batteries
Should your calculator display become very
dim or erratic, replace the batteries.
