Casio fx-9750GII User's Manual
Download Operation & user’s manual of Casio FX-7400GII Calculator for Free or View it Online on All-Guides.com. This version of Casio FX-7400GII Manual compatible with such list of devices, as: FX-7400GII, fx-9860G - Slim Graphing Calculator, FX9750GII - 0CALCULATOR GRAPHIC, FX9860GII - Graph Calcltr W/Usb
Brand: Casio
Category: Calculator
Type: Operation & user’s manual
Model: Casio FX-7400GII , Casio fx-9860G - Slim Graphing Calculator , Casio FX9750GII - 0CALCULATOR GRAPHIC , Casio FX9860GII - Graph Calcltr W/Usb
Pages: 412 (2.8 Mb)
2-30
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 2-14.
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
•{
rƧ} ... 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 + 1.570796327i
ln 2i + ln (– 2) = (Non-Real ERROR)
*
2
The display range of Ƨ depends on the angle unit set for the Angle item on the Setup
screen.
• Deg ... –180 <
Ƨ 180
• Rad ... – P <
Ƨ P
• Gra ... –200 <
Ƨ 200
Press *(CPLX) (*(CPLX) on the fx-7400G
II) to display the complex calculation
number menu, which contains the following items.
•{
i} ... {imaginary unit i input}
•{Abs}/{Arg} ... obtains {absolute value}/{argument}
•{Conj} ... {obtains conjugate}
•{ReP}/{ImP} ... {real}/{imaginary} part extraction
•{rƧ}/{a+bi} ... converts the result to {polar}/{rectangular} form
• You can also use ?(
i) in place of *(CPLX) (*(CPLX) on the fx-7400GII)
(i).
• Solutions obtained by the Real,
a+bi and rƧ modes are different for power root (x
y
)
calculations when x < 0 and y = m/n when n is an odd number.
Example: 3
x
(– 8) = – 2 (Real)
= 1 + 1.732050808i (a+bi)
= 260 (rƧ)
• To input the “ ” operator into the polar coordinate expression (
rƧ), press T().