Casio FX-82AU PLUS - Manual (Page 12)

E-11
3 + 3 : 3 s 3 3
3 (:) 3 3 6
9
Using Engineering Notation
A simple key operation transforms a displayed value to engineering
notation.
Transform the value 1234 to engineering notation, shifting the
decimal point to the right.
1234 1234
$ 1.234Ч10 3
$ 1234Ч10 0
Transform the value 123 to engineering notation, shifting the decimal
point to the left.
123 123
$(k) 0.123×10 3
$(k) 0.000123×10 6
Calculation History
In the COMP Mode, the calculator remembers up to approximately 200 bytes
of data for the newest calculation. You can scroll through calculation history
contents using
D and A.
1 + 1 = 2 1
1 2
2 + 2 = 4 2
2 4
3 + 3 = 6 3
3 6
(Scrolls back.) D 4
(Scrolls back again.) D 2
Note: Calculation history data is all cleared whenever you press , when
you change to a different calculation mode, when you change the display
format, or whenever you perform any reset operation.
Replay
While a calculation result is on the display, you can press B or C to edit
the expression you used for the previous calculation.
4 Ч 3 + 2.5 = 14.5 1 4 3
2.5 14.5
4 Ч 3 − 7.1 = 4.9 (Continuing) B&&&& 7.1 4.9
Note: If you want to edit a calculation when the  indicator is on the right
side of a calculation result display (see “Reading the Display”), press 
and then use B and C to scroll the calculation.
Answer Memory (Ans)
The last calculation result obtained is stored in Ans (answer) memory.
Ans memory contents are updated whenever a new calculation result is
displayed.