Viewing And Selecting Equations; Editing And Clearing Equations - HP -225 Owner's Manual

Viewing and Selecting Equations
Both and do calculations using the equation that was
displayed last before you pressed or [(soLvE]. To select a dif-
ferent equation, press [J[EQUATIONS] or B[LIBRARY|. The A and ¥
annunciators come on when there are other equations in the list. Press
(v] or li(a] to "roll" through the list.
Each time you return to the equation list or library, you will be posi-
tioned where you were the last time you used the list.
Viewing Long Equations. When an equation is too long to fit in the
display, the scrolling annunciators (== and/or 4==) indicate more
characters to the right or left. Hold down the keys beneath the point-
ers (V) to scroll through the equation.
Editing and Clearing Equations
Equations in the list of equations can be edited and cleared. You can-
not edit or clear library equations.
Editing an Equation. To edit the selected equation, press [(EDIT].
The cursor is positioned at the end of the equation. If necessary, use
(@] to backspace to the appropriate character. Type the rest of the
equation and press [INPUT].
If you press accidently, press immediately (before you've
pressed any other keys) to restore the previous display.
Clearing an Equation. To clear an individual equation, display it
and press [(CLEAR] {Y}.
Clearing All Equations. To clear all the equations in the list of
equations, cancel the equation list or library list. (The HP-22S will
not be displaying, an equation). Press [J[CLEAR] to display the CLEAR
menu, then {E@} {Y}.
74 6: Evaluating and Solving Equations