Calculated Industries 4050 Metric Edition User Manual
Page 4

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.
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