Texas Instruments TI-82 STATS Manual Book page 67

Interpreting
Complex Results
Rectangular-
Complex Mode
Polar-Complex
Mode
Complex numbers in results, including list elements, are
displayed in either rectangular or polar form, as specified by the
mode setting or by a display conversion instruction (page 2.19).
In the example below,
Rectangular-complex mode recognizes and displays a complex
number in the form
a+b
imaginary component, and i is a constant equal to
To enter a complex number in rectangular form, enter the value
of a (real component), press à or ¹, enter the value of b
(imaginary component), and press y [i] (constant).
real component( or
+
Polar-complex mode recognizes and displays a complex number in
the form re^ i, where r is the magnitude, e is the base of the natural
q
log, is the angle, and i is a constant equal to
q
To enter a complex number in polar form, enter the value of r
(magnitude), press y [
(angle), press y [i] (constant), and then press ¤.
value of
q
magnitude anglei
e^( )
i and modes are set.
re^q Radian
i, where is the real component,
a
)imaginary componenti
N
x
] (exponential function), enter the
e
Math, Angle, and Test Operations 2.17
is the
b
.
-1
.
-1