HP 40gs hp 40gs_user's guide_English_E_HDPMSG40E07A.pdf - Page 289

hp40g+.book Page 15 Friday, December 9, 2005 1:03 AM Selecting the entire expression and pressing gives the result at the right: Now linearize the result by applying the LIN command (which can be found on the menu). The result, after accepting the switch to complex mode, is shown at the right: Now store the result in variable M. Note that STORE is on the menu. To calculate the real part of the expression, apply the RE command (available on the COMPLEX submenu of the MATH menu). Pressing yields the result at the right: We are now going to define this result as x(t). To do this, enter =X(t), highlight the X(t) by pressing and press to swap the two parts of the expression, as shown at the right: Now select the entire expression and apply the Step-by-Step Examples 16-15