Complex Numbers - HP 40gs User Manual

hp40g+.book Page 29 Friday, December 9, 2005 1:03 AM

Complex numbers

Complex results
To enter complex
numbers
Storing complex
numbers
Getting started
In this example, the
fraction precision is set
to 6.
The HP 40gs can return a complex number as a result for
some math functions. A complex number appears as an
ordered pair (x, y), where x is the real part and y is the
imaginary part. For example, entering
Enter the number in either of these forms, where x is the
real part, y is the imaginary part, and i is the imaginary
1 –
constant, :
• (x, y) or
• x + iy.
To enter i:
•
press
or
•
press , or
to move to the right column of the menu,
select i, and .
There are 10 variables available for storing complex
numbers: Z0 to Z9. To store a complex number in a
variable:
•
Enter the complex number, press
variable to store the number in, and press
4 5
Z 0
1 –
returns (0,1).
keys to select Constant,
to
, enter the
.
1-29