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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.,
e
xx
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
:
