Sharp EL-5230, EL-5250 operation manual 110.4504172, Editing an expression

Chapter 1: Before You Get Started

Editing an expression

After obtaining an answer, you can go back to an expression and modify it using the cursor keys just as you can before the e is pressed.

Example

Return to the last expression and change it to 82 ÷ ￿3 – 7 ⋅ -10.5

1. Press d or r to return to the
	8Œ©‰3-7˚–10.5=
last expression.
• The cursor is now at the beginning of	110.4504172
	8Œ©‰3-7˚–10.5
the expression (on ‘8’ in this case).

•Pressing u or l after obtaining an answer returns the cursor to the end of the last expression.

•To make the cursor easier to see in diagrams throughout the manual, it is depicted as ‘_’ under the character though it may actually appear as a rectangular cursor on the display.

2.Press r four times to move the cursor to the point where you wish to make a change.

•The cursor has moved four places to the right and is now flashing over ‘3’.

3.Press @O.

8Œ©‰3-7˚–10.5= 110.4504172 8Œ©‰3-7˚–10.5

•This changes the character entering mode from ‘overwrite’ to ‘insert’.

•When @ is pressed the 2ndF symbol should appear at the above of the display. If it does not, you have not pressed the key firmly enough.

•The shape of the flashing cursor tells you which character entering mode you are in. A triangular cursor indicates ‘insert’ mode while a rectangular cursor indicates ‘overwrite’ mode.

4.Press ( and then move the cursor to the end of expression (@ r).

•Note that the cursor has moved to the second line since the expression now exceeds 14 characters.

5.Press ) and e to find the answer for the new expression.

110.4504172 8Œ©‰(3-7˚–10.5

8Œ©‰(3-7˚–10.5 )= 7.317272966

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