User’s Guide — 9
Cumulative Memory (M+)
s 0
(M+) is a cumulative memory in
which values of the same convention
can be added. It has the following
special keystrokes (in addition to those
defined above):
Steps Keystroke
Subtract from M+
C s 0
Display and Clear M+
r r
Clear M+ without
changing the display
C r
Using M+
Keystroke Display
3 5 5 s 0
M+ 355.
2 5 5 s 0
M+ 255.
r 0
M+ 610.
7 4 5 C s 0
‘ ‘ ‘ ‘
M+ 745.
r r
- -
-135.