2 — C
ONSTRUCTION
M
ASTER
®
P
RO
/ T
RIG
/ D
ESKTOP
Ç –
Change Sign (+/–)
— Toggles the sign of the dis-
played value to positive or negative.
Ç +
Pi (
π
)
— Constant = 3.141593
Ç •
Degrees:Minutes:Seconds (dms deg)
—
Converts between D:M:S and decimal degree formats.
Ç 0
Total Cost (Cost)
— Calculates total material cost
given a unit dimension and an entered Per Unit Cost.
Ç ß
Access Preference Settings (Prefs)
— Used to
access various customizable settings, such as
dimensional answer formats (see Preference
Settings on page 83).
Memory and Storage Functions
µ
Cumulative Memory
— Whenever the µ key is
pressed, the displayed value will be added to the
Memory. Other memory functions:
FUNCTION KEYSTROKES
Add to Memory µ
Subtract from Memory Ç µ
Recall total in Memory ® µ
Display/Clear Memory ® ®
Clear Memory Ç ®
Memory is semi-permanent, clearing only when you:
1) turn off the calculator;
2) press ® ®;
3) press Ç ®;
4) press Ç x
(Clear All)
.
When memory is recalled (® µ), consecutive
presses of µ will display the calculated average
and total count of the accumulated values.
ß 1 – 3
Storage Registers (M1) through (M3)
— Stores
the displayed value in non-cumulative, permanent
Memory (e.g., 1 0 ß 1). Good for storing a
single value, for future reference (® 1 = 10).
Note: Non-cumulative means it only accepts one value (does not
add or subtract) and a second entered value will replace the first.
Permanent means the value is stored even after the calculator is
shut off. To delete a stored value, enter a new value or perform a
Clear All
(Ç x )
.
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