CASIO
fx-991EX
ClassWiz
NATURAL-V.P.A.M.
S
A
M
Math
D
R
G
Fix
Norm1
Disp
0
SHIFT
ALPHA
▲
▼
◀
▶
=
SETUP
MODE
ON
SOLVE
CALC
d/dx
∫dx
x!
Abs
x⁻¹
10ˣ
i
log
eˣ
θ
ln
x³
R
x²
∛
S
√
ⁿ√
T
x
□
sin⁻¹
D
sin
cos⁻¹
E
cos
tan⁻¹
F
tan
LOGIC
H
hyp
RECALL
W
STO
M-
X
RCL
M-
Y
M+
Ran#
π
π
e
Arg
e
%
e
Ans
a+b/c
÷R
a⌐b/c
←→
S⇔D
|x|
{
(
,
}
)
INS
DEL
AC
STAT
7
7
TABLE
8
8
VCT
9
9
nCr
÷
nPr
×
EQN
4
4
RATIO
5
5
SPRDSH
6
6
Rec(
−
CMPLX
A
1
BASE-N
B
2
DISTB
C
3
Pol(
+
=
Rnd
0
0
Ran#
.
logₐb
(−)
ENG
∠
×10ˣ