Evaluating Expressions - HP 39gs User Manual

Evaluating expressions

In aplets
Aplets and their views
In the Symbolic view, a variable is a symbol only, and
does not represent one specific value. To evaluate a
function in Symbolic view, press
another function, then
other functions in terms of their independent variable.
1. Choose the Function
aplet.
Select Function
2. Enter the expressions in the Function aplet's Symbolic
view.
A
B
F1
F2
3. Highlight F3(X).
4. Press
Note how the values
for F1(X) and F2(X) are
substituted into F3(X).
. If a function calls
resolves all references to
2-3