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Casio ClassPad 300 PLUS User Manual

Page 54

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20050501

u To delete an unneeded key operation

Use

dand e to move the cursor to the location immediately to the right of the key

operation you want to delete, and then press

K. Each press of K deletes one

command to the left of the cursor.

Example: To change the expression 369

Ч Ч 2 to 369 × 2

(1)

c369**2

(2)

dK

Tip

• You can move the cursor without using the cursor key by tapping at the destination with the

stylus. This causes the cursor to jump to the location where you tap.

u To correct a calculation expression

Use

d and e to move the cursor to the location immediately to the right of the location

you want to correct, and then press

K.

Example: To correct cos(60) so it becomes sin(60)

(1) Use the mathematics (mth) keyboard to input “cos(60)”.

c9Tcga)

(2) Move the cursor to the location immediately to the right of “cos(”.

ddd

(3) Delete “cos(”.

KKKK

(4) Input “sin(”.

s

(5) Tap I to return to the initial math (mth) key set. See “Using the Math (mth)

Keyboard” on page 1-6-8 for details.

Tip

• Or, drag your stylus across “cos(” to select it and input “sin(”.

After you make all of the changes you want, press

E to calculate the result. To continue

inputting the calculation, press

e to move the cursor to the end of the calculation, and input

what you want.

1-6-5

Input

Tapping the T key causes it to
change to I and displays a key set
for inputting trigonometric functions.