Doing Arithmetic Inside Registers And Variables - HP 17bII Owner's Manual

The and
s R
 (in the MU%C menu) stores the rightmost number from the
s
display into the variable M%C.
M%C into the calculator line. If there is an expression in the display
v
(such as  ), then the recalled number replaces only the last
number.
You do not need to clear storage registers before using them. By storing
a number into a register, you overwrite whatever existed there before.

Doing Arithmetic Inside Registers and Variables

You can also do arithmetic inside storage registers.
Keys:
45.7 s
3
2.5 s* 3
R
3
Table 2-3. Arithmetic in Registers
Keys
s+
s-
s*
s/
s@u
46 2: Arithmetic
File name : English-M02-1-040308(Print).doc
keys can also be used with variables. For example,
R
Display:



New Register Contents
old register contents + displayed number
old register contents – displayed number
old register contents x displayed number
old register contents ÷ displayed number
old register contents ^ displayed number
Print data : 2004/3/9
 copies the contents of
Description:
Stores 45.7 in reg. 3.
Multiplies contents of
register 3 by 2.5 and stores
result (114.25) back in
register 3.
Displays register 3.