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x
! : Factorial function. See
Abs : Absolute value function. Note that the input method is different
depending upon whether you are using Natural Display or Linear Display.
See
.
13
Ran# : Generates a 3-digit pseudo random number that is less than 1.
The result is displayed as a fraction when Natural Display is selected.
See
.
14
RanInt# : For input of the function of the form RanInt#(
a random integer within the range of
n
r
n
r
P
,
C
: Permutation (nPr) and combination (nCr) functions. See
Rnd : The argument of this function is made a decimal value and then rounded
in accordance with the current number of display digits setting (Norm, Fix, or
Sci). With Norm 1 or Norm 2, the argument is rounded off to 10 digits. With
Fix and Sci, the argument is rounded off to the specified digit. When Fix 3
is the display digits setting, for example, the result of 10 ÷ 3 is displayed
as 3.333, while the calculator maintains a value of 3.33333333333333 (15
digits) internally for calculation. In the case of Rnd(10÷3) = 3.333 (with Fix
3), both the displayed value and the calculator's internal value become
3.333. Because of this a series of calculations will produce different results
depending on whether Rnd is used (Rnd(10÷3)
÷ 3
3 = 10.000). See
Note: Using functions can slow down a calculation, which may delay display
of the result. Do not perform any subsequent operation while waiting for the
calculation result to appear. To interrupt an ongoing calculation before its
result appears, press
Integration and Differential Calculation Precautions
• Integration and differential calculations can be performed in the COMP
Mode (
• The following cannot be used in
• When using a trigonometric function in
unit.
tol
• A smaller
time. When specifying
Precautions for Integration Calculation Only
• Integration normally requires considerable time to perform.
f
x
• For
(
)
0 where
will produce a negative result.
• Depending on the content of
error that exceeds the tolerance may be generated, causing the calculator
to display an error message.
Precautions for Differential Calculation Only
• If convergence to a solution cannont be found when
tol
the
value will be adjusted automatically to determine the solution.
• Non-consecutive points, abrupt fluctuation, extremely large or small points,
inflection points, and the inclusion of points that cannot be differentiated,
or a differential point or differential calculation result that approaches zero
can cause poor precision or error.
12
.
17
.
) only.
value increases precision, but it also increases calculation
tol
, use value that is 1
a
x b
.
a
b
to
. See
f
x
a
b
(
),
,
, or
f
x
(
(as in the case of
f
x
(
) and the region of integration, calculation
E-15
a
b
,
), which generates
.
15
3 = 9.999) or not used (10
tol
: Pol, Rec, ,
), specify Rad as the angle
–14
10
or greater.
1
x
2
3
– 2 = –1), calculation
0
tol
input is omitted,
.
16
d
dx
/
, .
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