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Entering this expression when the calculator is set in the RPN mode is exactly
the same as this Algebraic mode exercise.
For additional information on editing algebraic expressions in the calculator’s
display or stack see Chapter 2 in the calculator’s user’s guide.
Using the Equation Writer (EQW) to create expressions
The equation writer is an extremely powerful tool that not only let you enter or
see an equation, but also allows you to modify and work/apply functions on
all or part of the equation.
The Equation Writer is launched by pressing the keystroke combination
‚O (the third key in the fourth row from the top in the keyboard). The
resulting screen is the following. Press L to see the second menu page:
The six soft menu keys for the Equation Writer activate functions EDIT, CURS,
BIG, EVAL, FACTOR, SIMPLIFY, CMDS, and HELP. Detailed information on
these functions is provided in Chapter 3 of the calculator’s user’s guide.
Creating arithmetic expressions
Entering arithmetic expressions in the Equation Writer is very similar to
entering an arithmetic expression in the stack enclosed in quotes. The main
difference is that in the Equation Writer the expressions produced are written
in “textbook” style instead of a line-entry style. For example, try the following
keystrokes in the Equation Writer screen: 5/5+2
The result is the expression