HP 40gs hp 40gs_user's guide_English_E_HDPMSG40E07A.pdf - Page 267

hp40g+.book Page 15 Friday, December 9, 2005 1:03 AM Press to obtain the an intermediate result (42 - 4) and again to evaluate the intermediate result. The final answer is 12. Second option: arguments first, then function Enter your expression, using the rules of selection described earlier. 2 4 The entire expression is now selected. Now press and select FACTOR. Notice that the FACTOR is applied to whatever was selected (which is automatically placed in parentheses). Press to evaluate the expression. The result is the factors of the expression. Because the result of an evaluation is always selected, you can immediately apply another command to it. To illustrate this, press , select SUBST and then press or . Note that SUBST is applied to whatever was selected (which is automatically placed in parentheses). Note too that the cursor is automatically placed in the position of the second argument. Enter the second argument, x=4. Equation Writer 15-15