Calculated Industries 4019 - Manual (Page 13)

P
OCKET
R
EFERENCE
G
UIDE
— 9
Miscellaneous Functions
C .
( ) Square Root
C ÷
(1/x) Reciprocal — Finds
the reciprocal of a number
(e.g.,
8 C ÷ 0.125).
C x
Clear All — Clears all val-
ues, including M+, and
returns all stored values to
the default settings (does
not affect Preference
Settings).
C –
(+/–) Toggle
C +
Pi ( ) 3.141593
C %
x 2 — Squares the value in
the display.
C s
Preference Settings
μ Memory Key — Adds the
displayed value to Memory.
Clears when the calculator
is shut off.
Ç μ Memory Minus (M–) —
Subtracts the displayed
value from Memory.
® μ Memory Recall —
Recalls value from Memory
without clearing.
Ç ® Memory Clear — Clears
Memory without changing
current display.