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Θ Pressing ` once more to return to normal display.
To see the entire expression in the screen, we can change the option _Small
Stack Disp in the DISPLAY MODES input form (see Chapter 1). After
effecting this change, the display will look as follows:
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 (EQW), therefore, allows you to
perform complex mathematical operations, directly, or in a step-by-step mode,
as you would do on paper when solving, for example, calculus problems.
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:
Note: To use Greek letters and other characters in algebraic expressions use
the CHARS menu. This menu is activated by the keystroke combination
…±. Details are presented in Appendix D.