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GETTING STARTED
KEY DEFINITIONS
Basic Operation Keys
o — Turns power on. Pressing once clears the
display. Pressing twice clears all temporary values.
O — Turns all power off, clearing all non-permanent
Ç o
to turn power off.
+ – x Arithmetic operation keys.
÷ =
% Four-function (+, -, x, ÷) percent key. (See page 25
for examples.)
0 – 9 and • Keys used for entering digits.
) (desktop only)
1 )
B — Used to delete entries one key-
stroke at a time (unlike the o function, which
deletes the entire entry).
Convert Ç Key —
The Ç key is used to convert between measurement units or to
access the second functions listed below:
Ç x — 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 resets all stored values to
factory defaults. See for a listing of default values.
Ç % x
— Squares the value in the display. For example,
1 0 then Ç %.
Ç B ) — Used to find the
square root of a non- dimensional or area
value (e.g., 1 0 0 Ç B = 10).
Ç / 0
— Allows entry of an exponent. For example,
8 Ç / 1 4
Ç ÷ — Finds the reciprocal of a number (e.g., 8
Ç ÷ = 0.125).
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