Calculated Industries Construction Master 5 4050, Pocket Reference Manual

Page: 4 / 44

P
ocket
R
efeRence
G
uide
— 2
GETTING STARTEd
KEY DEFINITIONS
basic function Keys
+-x
*=
Arithmetic operation keys.
0
-
9
and
.
Keys used for entering numbers
O
Off Key — Turns all power off,
clearing all non-permanent registers.
o
On/Clear Key — Turns on power.
Pressing once clears the display.
Pressing twice clears all temporary
values.
Q
Convert Key —
Used with the
dimensional keys to convert between
dimensions or with other keys to
access special functions.
e
Square Root Key —
Used to
find the Square Root of a non-
dimensional or area value.
L
Recall Key — Used with other keys
to recall stored values and settings.
N
Memory Key — Adds the displayed
value to Memory. Clears when the
calculator is shut off.
QN
Memory Minus (M–) — Clears
Memory without changing
current display.
PRG4050E-A.indd 1 5/24/2013 2:14:06 PM