HP 48gII Graphing Calculator Manuel d'utilisateur télécharger pdf (Page 218)

At this point follow the instructions from Chapter 2 on how to use the Equation

Writer to build an equation. The equation to enter in the Eq field should look

like this (notice that we use only one sub-index to refer to the variables, i.e.,

is translated as ex, etc. -- this is done to save typing time):

Use the following shortcuts for special characters:

σ: ~‚s α: ~‚a ∆: ~‚c

and recall that lower-case letters are entered by using ~„ before the

letter key, thus, x is typed as ~„x.

Press `to return to the solver screen. Enter the values proposed above into

the corresponding fields, so that the solver screen looks like this:

With the ex: field highlighted, press @SOLVE@ to solve for ex:

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HP 48gII Graphing Calculator Manuel d'utilisateur Page 218