Calculated Industries 3442 - Manual (Page 6)

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KEY DEFINITIONS
Basic Operation Keys
O Turns all power off. The memory and most financial
registers are cleared.
o If off, turns power on. If on, a single press clears the
last entry while a second press in succession clears
all non-permanent registers.*
*Clears Loan Amount, Payment, Price, Down Payment, Income,
Debt, Expense, and Mortgage Insurance/MI (unless MI is set to
hold; see Preference Settings).
+ – x Arithmetic operation keys.
÷ =
0
– 9 Digits used for keying in numbers.
) Triple-zero key (saves time when entering 000 values).
• Decimal point.
% Percent — Four-function (+, –, x, ÷) percent key.
See page 20 for examples.
µ Memory — Adds the displayed number to the inde-
pendent memory. Pressing s µ (M-) will sub-
tract the displayed value from the memory. Pressing
® µ recalls and displays the memory contents.
Pressing ® ® clears the memory. (See Memory
section for details.)
® Recall — Recalls and displays the contents of the
financial registers (e.g., ® ˆ ). Also used for
Memory functions.
s Works with other keys to set or activate additional
second functions (it will perform the function printed
above the key on the calculator’s face). Also used
to set the number of displayed decimal places (see
section on Decimal Place Selection).
s – Change Sign (+/–) — Changes the sign of the dis-
played value from positive to negative or vice-versa.
GETTING STARTED