HP 39gs Graphing manual Complex numbers, This example, the fraction precision is set to

In this example, the fraction precision is set to 6.

Complex numbers

Complex results

To enter complex numbers

Storing complex numbers

The HP 39gs 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 –1returns (0,1).

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, –1 :

•(x, y) or

•x + iy. To enter i:

•press or

•press , or keys to select Constant,

to move to the right column of the menu, to 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 , enter the

variable to store the number in, and press .

4 5

Z 0

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