Calculated Industries 8528 - Manual (Page 3)

ProjectCalc ® Plus MX User’s Guide — 1
Basic Keys
o — On/Clear Key
Turns power on. Pressing once clears the display.
Pressing twice clears all temporary values.
Ç o
— Off
Turns calculator off and clears all temporary/non-perma-
nent registers.
r
— Recall Key
Recalls stored values. Also works with Memory keys (see
Memory keys for details).
+ – x ÷ =
Arithmetic operation keys.
0
— 9 and •
Keys used for entering numbers.
Convert Key Functions
Ç — Convert Key
Used with the dimensional unit keys to convert between
dimensions (e.g., cubic millimetres to cubic metres), with
the “Project Keys” to calculate various material quantities
(see “DIY Project Keys”), or with other miscellaneous keys
to access special functions, such as those listed below.
Ç x
— Clear All
Clears all values, including memory. Sets the calculator back
to its default settings. Use this keystroke with caution, as it
will reset all custom settings or stored material values.
Ç –
— Sign Change (+ / –)
Sets displayed value to positive or negative. (Repetitive
presses of Ç – will change sign to plus or minus.)
З ч — Square Root ( )
Finds square root of displayed value (e.g., 1 0 0 З
ч equals 10).
Ç +
— x 2
Finds square of displayed value (e.g., 1 0 Ç +
equals 100).
Ç s
or r s — Pi ( π )
Displays the constant 3.141593
KEY DEFINITIONS
PRG8528E-G 10/23/09 Page 1