59
Chapter 3: Manual Calculations
R
Storesanumberinavariable.
Example
• LetA=4,andB=6.
CalculateA+B.
4
R
A
A
E
6
R
A
B
E
A
A
+
A
B
E
r
Recallsavariable.
Example
• SetC=8.
8
R
A
C
E
RecallthevalueofC.
@
r
A
C
E
X
Enters a variable “
x
”,“
θ
”,“T”,or“
n
”.Thevariableisautomatically
determinedaccordingtothecalculator’scoordinatesetup:“
x
”for
rectangular, “
θ
”forpolar,“T”forparametric,“
n
”forsequential.
z
AccessestheVARSmenu.
{
}
Enter braces to group numbers as a list.
b
Recallsthepreviousanswer.Usethiskeytoincorporatetheanswer
to the previous calculation into an expression.
Example
• Perform3
×
3.
3
|
3
E
Subtractthevalueofthe
previousanswerfrom“10”.
1 0
-
@
b
E
Note:
b
can be considered as a variable; its value is automatically
set when
E
is pressed. If
b
is not empty, then pressing
+
,
-
,
|
, or
=
willrecall“Ans”andplacesitatthe
beginningofanexpression.If“1”wasthepreviousanswer,then
pressing
+
4
E
willresultin“5”.