User Manual

2-2
Example 2 200 ÷ 7 × 14 = 400
Condition Operation Display
200 /7 *14 w
400
3 decimal places
!m(SET UP) ff
1(Fix) dwJw
400.000
Calculation continues using
display capacity of 10 digits
200 /7 w
*
14 w
28.571
Ans ×
I
400.000
• If the same calculation is performed using the specified number of digits:
200 /7 w
28.571
The value stored internally is
rounded off to the number of
decimal places specified on
the Setup screen.
K6( g) 4(NUM) * 4(Rnd) w
*
14 w
28.571
Ans ×
I
399.994
200 /7 w
28.571
You can also specify the
number of decimal places for
rounding of internal values
for a specific calculation.
(Example: To specify
rounding to two decimal
places)
6( g) 1(RndFi) !-(Ans) ,2 )
w
*
14 w
RndFix(Ans,2)
28.570
Ans ×
I
399.980
* fx-7400G
III: 3(NUM)
k Calculation Priority Sequence
This calculator employs true algebraic logic to calculate the parts of a formula in the following
order:
1 Type A functions
• Coordinate transformation Pol (
x , y ), Rec ( r , θ )
• Functions that include parentheses (such as derivatives, integrations, Σ , etc.)
d / dx , d
2
/ dx
2
, ∫ dx , Σ , Solve, FMin, FMax, List → Mat, Fill, Seq, SortA, SortD, Min, Max,
Median, Mean, Augment, Mat → List, DotP, CrossP, Angle, UnitV, Norm, P(, Q(, R(, t(,
RndFix, log
a
b
• Composite functions*
1
, List, Mat, Vct, fn, Y n, r n, X tn, Y tn, X n
2 Type B functions
With these functions, the value is entered and then the function key is pressed.
x
2
, x
–1
, x ! , ° ’ ”, ENG symbols, angle unit °,
r
,
g
3 Power/root ^( x
y
),
x
'
4 Fractions
a
b
/
c
5*
2
Abbreviated multiplication format in front of π , memory name, or variable name.
2 π , 5A, Xmin, F Start, etc.
6 Type C functions
With these functions, the function key is pressed and then the value is entered.
' ,
3
' , log, In, e
x
, 10
x
, sin, cos, tan, sin
–1
, cos
–1
, tan
–1
, sinh, cosh, tanh, sinh
–1
, cosh
–1
,