— 8 —
• Example 3: To calculate the following using memory and
a constant: (123)(453)(783)135.
(123) 3 - - 12 = A Y 
(453) 45 A { 
(783) 78 | 
(Memory recall) Z 
kAdditional fx-85B/fx-280 Memory Calculations
• The fx-85B/fx-280 has two additional memories named A
and B.
•Use 
A J to store data and 0 to recall data.
•Storing data in a memory replaces anything stored there
previously.
•To clear a memory, store a zero in it.
• Example 1:  To input 123 in memory A.
 
t 123 A J 1 
MK
135.
MK
234.
MK
135.
M
13.
MK
36.
123.