Calculated Industries 4067 Pocket Reference Guide - Manual (Page 6)

4
+ -x ÷ = Arithmetic operation keys
0 – 9 and . Keys used for entering numbers.
C Convert – Used with the dimensional keys to convert
between units or with other keys to access special functions.
R Recall – Used with other keys to recall stored values
and settings.
RR Memory Clear – Clears Accumulative Memory and
displays total.
CR Store – Used for storing values.
M Accumulative Memory – Adds displayed value to
Accumulative Memory.
CM M- – Subtracts displayed value from Accumulative Memory.