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STATISTICAL CALCULATIONS
b 1, then
0 (SD
1 (a+bx
2 (a+bx+cx
2
): Quadratic regression
3 (a e bx
4 (a+b lnx
5 (a x b
6 (a+b/x): Inverse regression
7 (a b x
_ or j
STAT menu (; 8)
Data Entry and Correction
Data entry
e
H
is stored as a set of three data items.
_ or j and close the
Data correction
Use l, r, u, or d to move the cursor and select the
desired data. Press @ u or @ d
beginning or end of the data.
Data correction
e.
Data insertion
; T.
in FRQ.
Data deletion
@ y.
Notes:
changed or @ Z
_
Statistical Calculations and Variables
Single-variable statistical calculation
Statistics of
,
1
Linear regression calculation
y
Statistics of
1
,
and
4
. In addition, the estimate of
for a given
y
x
y
(estimate
´) and the estimate of
for a given
(estimate
Quadratic regression calculation
a
b
c
Statistics of
,
and
,
,
1
4
2
y
a bx cx
regression formula (
=
r
) can be obtained.)
x
x
x
Euler exponential regression, logarithmic regression,
power regression, inverse regression,
and general exponential regression calculations
y
Statistics of
1
,
and
4
. In addition, the estimate of
for a given
x
x
y
and the estimate of
for a given
. (Since the calculator converts
each formula into a linear regression formula before actual calculation
a
and
converted data rather than entered data.)
n
x
x
data)
sx
x
data)
x
s x
data)
x
data)
x
1
x
x
data)
x
x
data)
x
x
data)
x
xmin
data)
xmax
x
data)
DISTRIBUTION FUNCTIONS
Press b 7
Note: Calculation results are stored in ANS memory.
Normal Distribution
Normal pdf
Normal cdf
Inverse Normal
Calculates the inverse cumulative normal distribution function for a
and standard deviation ( ).
Binomial Distribution
Binomial pdf
Binomial cdf
Poisson Distribution
Poisson pdf
fied mean (μ) .
Poisson cdf
b
Find the nominal distribution
7 0
0
65
e
60
x
:
:
e
6
of the test score averages is
: 6_
of 6.
e
ANS =
0
.
046985312
b
7 0
Normal cdf
1
54
e
66
x
1 :
x
:
e
60
e
6
:
: 6_
e
ANS =
0
.
682689492
b
7 0
Inverse Normal
a
2
0 . 8
e
60
:
:
e
6
: 6_
e
ANS =
65
b
7 1
0
7
e
15
x
:
n
:
e
0 . 3
p
: 0
.
3_
e
ANS =
0
.
081130033
b
7 1
Binomial cdf
x
1
7
e
15
:
number) in the above
n
:
e
0 . 3
p
: 0
.
3_
e
ANS =
0
949987459
.
b
7 2
x
0
4
e
3 . 6
:
: 3
.
6_
e
ANS =
0
191222339
.
b
7 2
Poisson cdf
x
1
4
e
3 . 6
:
: 3
.
6_
e
ANS =
0
.
706438449
y
y
27 28
data)
sy
y
s
(
data)
y
y
y
y
(
y
y
(
data)
y
x y
x y
x
x
4
ymin
ymax
Q
1
Med
x
(
data)
Q
r
a
b
4
c
R
Coefficient of determination (Quadratic regression)
r
x
y
STAT Menu
or
, 0 is
STAT menu (; 8).
; 8 0
; 8 1
; 8 2
; 8 3:
; 8 4
; 8 5
Notes:
statistical calculation.
x
y
Estimated values
' and
U
x
;
8 5
menu (
N.
Statistical Calculation Formulas
The absolute value of the intermediate result or calculation result is
×
10
100
.
Normal Probability Calculations
distribution variable.
Notes:
for an area.
−
x
x
t =
—
σ
x
.
TABLE MODE
x
x
mode.
´).
Setting a table
1. Press b 2
The default starting value is 0.
u and d
6. Press e
u and d
b
, from
Press l or r
Notes:
are all regarded as numbers (stored into the variables).
π
r
and
can also be entered into a starting
and angular unit conversions.
Press @ Z or mode selection to return to the initial screen of the
DRILL MODE
Math Drill: b 8 0
×
Table): b 8 1
).
b and select another mode.
×
Using Math Drill and
Table
1. Press b 8 0 for Math Drill or b 8 1 for
).
Math Drill: Use u and d
50, or 100).
×
Table: Use u and d
Math Drill: Use l and r
+
−
×
÷
+−×÷
,
,
,
, or
).
×
Table: Use l and r
4. Press e to start.
×
6. Press e.
e
e.
e
9. Press e to return to the initial screen for your current drill.
Ranges of Math Drill Questions
65
.
+
+
Addition operator: "0
60
.
−
]
Subtraction operator: "0
×
>
Multiplication operator: "1
÷
)
Division operator: "0
+]>)
Mixed operators
54
.
66
.
ERRORS AND CALCULATION RANGES
60
.
Errors
l or r
or @ Z
Error codes and error types
0
8
.
60
.
+ & 5 =
.
0497274
100
.
7
.
15
.
100
7
.
15
.
for numeric values and 64 buffers for calculation instructions).
*
4
.
4
.
Alert Messages
Cannot delete!
* 5 r A l N
Cannot call!
cannot be called.
COMPLEX NUMBER CALCULATIONS
y
data)
y
data)
systems:
data)
@ E: Rectangular coordinate system
1
(The
@ u: Polar coordinate system
(
y
data)
(The
x, y
)
Complex Number Entry
x , y
(
)
Rectangular coordinates
1
x
(
data)
x-coordinate + y-coordinate O
or x-coordinate + O y-coordinate
x
(
data)
Polar coordinates
(
y
data)
θ
r @ Q
y
(
data)
r : absolute value
(
x
data)
x
(
data)
EQUATION SOLVERS
The results obtained by these functions may include a margin of error.
Simultaneous Linear Equations
b 4 0
1
a
x
b
y = c
1
1
a x
b y = c
b 4 1
related) variables
a
x
b
y
1
1
a x
b y
a x
b y
×
100
10
or more, an error occurs.
@ V, @
x
x
1' and
Solving simultaneous linear equations
1. Press b 4 0 or b 4 1.
29
u or d
30
Quadratic and Cubic Equations
+ b
+
x
ax
Quadratic (
2
1
+
c
) .
Solving quadratic and cubic equations
b 4 2 or b 4 3.
31
e (or d
e.
e.
e.
MATRIX CALCULATIONS
Entering and Storing Matrices
1. Press b 5
N 1
e.
e.
one time. Use u, d, l, and r to move the cursor
6. Press N 3
.
Buffer full!
Calculation Ranges
Within the ranges specified, this calculator is accurate to
of the 10th digit of the mantissa. However, a calculation error
increases in continuous calculations due to accumulation of each
calculation error. (This is the same for
Vector calculations,
performed internally.)
×
Additionally, a calculation error will accumulate and become
Table.
larger in the vicinity of inflection points and singular points of
functions.
±
−
±
10
99
to
9.999999999
a calculation is less than 10
Display of results using r (when EXACT is selected)
conditions are met:
j or N to clear
a P b
c P d
±
±
⎯
⎯
e
f
≤
<
<
1
a
b
≤
<
≤
1
d
a common denominator.
BATTERY REPLACEMENT
Notes on Battery Replacement
+
−
calculator.
×
×
÷
Notes on erasure of memory contents
accidental erasure occurs.
When to Replace the Battery
j
j
Cautions
calculator.
immediately consult a doctor.
Replacement Procedure
r
,
or .
N or @ y
Modifying a stored matrix
32
b 3
4. Press N 3
Using Matrices in Calculations
θ
: argument
calculations that use
det matrix name
trans matrix name
identity value
33
dim (matrix name, row, column)
a
b
1
1
1
D =
a b
ref(matrix name)
rref(matrix name)
c
z = d
a
b
c
1
1
1
1
1
c z = d
D =
a b c
Notes:
c z = d
a b c
a
, etc.).
1
j.
VECTOR CALCULATIONS
@ u or @ d
e to solve the
Entering and Storing Vectors
e or j to return to the
@ Z .
1. Press b 6
=
+ b
+
+ d =
c
ax
x
cx
0 ) or cubic (
3
2
0)
b 4 2
b 4 3
4. Enter each element in the vector by entering a value in the entry
+ b
x
y
ax
=
2
6. Press N 3
u
Modifying a stored vector
e or j.
@ Z .
34
4. Press N 3
Using Vectors in Calculations
×
column)
MATH menu.
DotPro(vector name, vector name)
CrossPro(vector name, vector name)
Angl(vector name, vector name)
Unit(vector name)
Notes:
j
Automatic Power Off Function
SPECIFICATIONS
36
±
1
y
x , x r, n!, e
x
, ln, Matrix/
, etc., where continuous calculations are
Internal calculations:
×
10
99
and 0.
−
99
, the value is considered to be 0 in
(varies according to use
and other factors)
r
Accessories:
<
≤
<
c
<
≤
<
e
f
100
FOR MORE INFORMATION
r
ABOUT SCIENTIFIC CALCULATORS
@ o.
Fig. 1
+
j.
2
modify.
e after
each one.
j N 1
dimensions.
j
−
x
x
x
,
, and
1
Returns the determinant of a
value, row, column)
value.
row, column)
form.
j
entry screen. Press N 3
l nor r
N 1
e.
e.
j
2
modify.
e after
each one.
j N 1
dimensions.
j
vector entry screen.
Returns the angle.
Returns the unit vector.
vector name) for the absolute value.
j and then you
entry screen.
j
entry screen. Press N 3
l nor r
×
96
Mantissa: 10 digits
64 calculations 10 numeric values
×
×
166 mm (D)
15 mm (H)
×
×
×
Battery
N
35
N
×
1)
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