2-35
• Input of
n and the closing parenthesis can be omitted.
• Discontinuous points or sections with drastic fluctuation can adversely affect precision or
even cause an error.
• Inputting a larger value for
n increases the precision of the calculation, but it also increases
the amount of time required to perform the calculation.
• The value you input for the end point of the interval (
b ) must be greater than the value you
input for the start point (
a ). Otherwise an error occurs.
• You can interrupt an ongoing maximum/minimum calculation by pressing the A key.
• You can input an integer in the range of 1 to 9 for the value of
n . Using any value outside this
range causes an error.
• You cannot use a first derivative, second derivative, integration, Σ , maximum/minimum value,
Solve or RndFix calculation expression inside of a maximum/minimum calculation term.
6. Complex Number Calculations
You can perform addition, subtraction, multiplication, division, parentheses calculations,
function calculations, and memory calculations with complex numbers just as you do with the
manual calculations described on pages 2-1 to 2-17.
• The input/output range of complex numbers is normally 10 digits for the mantissa and two
digits for the exponent.
• The following functions can be used with complex numbers.
',
x
2
, x
–1
, ^( x
y
),
3
',
x
', ln, log, log
a
b, 10
x
, e
x
, Int, Frac, Rnd, Intg, RndFix(, Fix, Sci, ENG,
ENG, ° ’ ”,
° ’ ”
,
a
b
/ c , d / c
You can select the complex number calculation mode by changing the Complex Mode item on
the Setup screen to one of the following settings.
• { Real } ... Calculation in the real number range only*
1
• { a + bi } ... Performs complex number calculation and displays results in rectangular form
• {
r ∠ } ... Performs complex number calculation and displays results in polar form*
2
*
1
When there is an imaginary number in the argument, however, complex number calculation
is performed and the result is displayed using rectangular form.
Examples:
ln 2
i = 0.6931471806 + 1.570796327 i
ln 2 i + ln (– 2) = (Non-Real ERROR)
*
2
The display range of depends on the angle unit set for the Angle item on the Setup
screen.
• Deg ... –180 <
< 180
• Rad ... – π <
< π
• Gra ... –200 <
< 200
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