A Omitting a Final Closed Parenthesis

You can omit any closed parenthesis ( ) ) immediately

preceding operation of the E   key at the end of a

calculation.

Example: (2 + 3)   (4   1) = 15

(2+3)*

(4 1E

k Percent Calculations

Example 1: 2% = 0.02

21((%)E

Example 2: 150   20% = 30

150*20

1((%)E

Example 3: To calculate what percentage of 880 is 660.

660/880

1((%)E

Example 4: To increase 2500 by 15%.

2500+

2500*

151((%)E

E 29