HP 10bII - Using the M Register

a 64.00 Calculates 43.
Using the M Register
The C9), 88), and Wkeys perform memory operations on
a single storage register, called the M register. In most
cases, it is unnecessary to clear the M register, since [27]
replaces the previous contents. However, you can clear
the M register by pressing (0) ЄЎ. To add a series of
numbers to the M register, use С to store the first
number and @ to add subsequent numbers. To subtract
the displayed number from the number in the M register, press @
followed by (9.
Keys | Description
C» Stores displayed number in the M register.
Recalls number from the M register.
®© Adds displayed number to the M register.
Example.Use the M register to add 17, 14.25, and 16.95. Then subtract
4.65 and recall the result.
Keys: Display: Description:
One 17.00 Stores 17 in M register.
@@@@@®®9 14.25 Adds 14.25 to M
register.
Qe 16.95 Adds 16.95 to M
register.
2000809 -4.65 Adds —4.65 to M
register.
[2] 43.55 Recalls contents of the
M register.
3: Number Storage and Arithmetic 39