Calculated Industries 8525 Pocket Reference Guide - Manual (Page 5)

P OCKET R EFERENCE G UIDE - 3
Ç – - Change Sign (+ / -)
Toggles displayed value to positive or
negative. (Repetitive presses of
Ç
– will change sign from positive or
negative.)
З ч - Square Root
Finds Square Root of value in display.
Ç + - x 2
Finds Square of value in display.
Ç s - Pi (π)
Constant 3.141593.
Memory
s m (M+) - Adds or stores a value
in the semi-permanent memory (e.g.,
1 5 0 s m). Semi-permanent
means the value is cleared when the
calculator is turned off.
Ç – s m (M-) - Subtracts a
value from the semi-permanent
Memory (e.g.,
1 5 0 Ç – s
m subtracts 150 from the memory).
r m (M-R/C) - Recalls Memory value
(e.g., if 150 has been stored in Memory,
pressing
r m will display 150).
r r - Displays and clears Memory
value.