HP 49g+ User Manual page 214

Graphing calculator
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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):
e
xx
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:
Page 6-17

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