User Guide

Pocket RefeRence Guide — 5
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.
Çx
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.)
Ç÷
Square Root (!) ─
Finds
square root of displayed value
(e.g., 100Ç÷ equals 10).
Ç+
x
2
─ Finds square of displayed
value (e.g., 10Ç+ equals
100).
Çs
or rs
Pi (
) ─ Displays the constant
3.141593
Ç8
Percent (%)
Memory
Ç=
(M+) — Adds the displayed value
to the semipermanent memory
register (e.g., 150Ç= ).
Semi-permanent means the value
is cleared when the calculator is
turned off.
r=
(M-R/C) —
Recalls memory value
(e.g., if 150 has been stored in
Memory, pressing r= will display
150).
Note: This function displays, but does not
clear, the memory register.
rr
(M-R/C) —
Displays and clears/
deletes any value stored in the
memory register.