HP 39gII

20 Getting started
Complex numbers
Complex results If the Complex mode setting is checked, then the HP 39gII
can return a complex number as a result for some math
functions. A complex number appears as . For
example, entering returns i and entering (4,5)
returns .
To enter complex
numbers
Enter the number in either of these forms, where x is the
real part, y is the imaginary part, and i is the imaginary
constant, :
• (x, y) or
• x + iy.
To enter i:
• press
SAi or
• press
b, =or\keys to select Constant,
>to move to the right column of the menu, \to
select i, and .
Storing complex
numbers
There are ten variables available for storing complex
numbers: Z0 to Z9. To store a complex number in a
variable:
• Enter the complex number, press , enter the
variable to store the number in, and press
E.
l4o5m
AZ 0E
xyi×+
1–
45i×+
1–