HP 39GS hp 39gs_user's guide_English_E_HDPMG39AE13.pdf - Page 39

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 -1 returns (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 . 45 Z 0 Getting started 1-29