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For example, in
Home view or the
CAS you could
select SignedArea
from the Vars
menus, press
3
and
s
E
get the current value
of SignedArea multiplied by three.
Function variables can also be made part of a
function's definition in Symbolic view. For example,
you could define a function as x
2
–x–Root.
The full range of variables, and their use in
calculations, is covered in detail in chapter 21,
"Variables", beginning on page 373.
Function app
115
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