Руководство Пользователя для Calculated Industries Construction Master Pro

o

— Turns power on. Pressing once clears

the display. Pressing twice clears all temporary values.

O

— Turns all power off, clearing all non-permanent

registers. For desktop model 44080, press 

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.

)

) Enters “00” to save keystrokes (e.g.,

1 )

to enter 100).

B

— Used to delete entries one key-

stroke at a time (unlike the 

o

function, which

deletes the entire entry).

Ç

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 page 82 for a listing of default values.

Ç %

— Squares the value in the display. For example,

to square the value 10, enter 

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 /

— Allows entry of an exponent. For example,

8 Ç / 1 4

is 8 times 10 to the 14th power.

Ç ÷

— Finds the reciprocal of a number (e.g., 

8

Ç ÷ =

0.125).