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6 — SHEET METAL/HVAC
PRO CALC
BASIC OPERATION KEYS
o
On/Clear — Turns power on. Pressing once clears the
display. Pressing twice clears all temporary values.
O
Turns all power off, clearing all non-permanent registers.
+ – x Arithmetic operation keys.
÷ =
Ç + Percent (%) — Four-function percent. See page 30
for examples.
0 – 9 and • Keys used for entering digits.
B Backspace Key — Used to delete entries one key-
stroke at a time (unlike the o function, which
deletes the entire entry).
CONVERT Ç KEY —
UNIT CONVERSIONS and SECOND FUNCTIONS
The Ç key is to convert between measurement units or to access
second functions, listed below:
Ç Convert — Used with the measurement keys to
convert between units or with other keys to access
special functions.
Ç x Clear All — Clears all values, including Memory.
Resets all permanent entries to default values
(except Preference Settings, which are retained).
Note: Use only when necessary, as it deletes all stored values.
X Squares the value in the display. For example, to
Square the value ten, enter 1 0 then press X.
Ç X x
3
— Cubes the value in the display. For example, to
Cube the value ten, enter 1 0 then press ÇX.
√ Square Root Function — Used to find the Square
Root of a non-dimensional or area value
(e.g., 1 0 0 √ = 10).
KEY DEFINITIONS
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