Yes, but the phone must be turned on its side so that the scientific calculator can be shown. The percent button is on the upper right side on the left half of the buttons.
5 x 1.1 = 5.5
13.5 - without using a calculator !
The answer is: 18 Use a calculator...
16475 - without using a calculator !
4000000 - without the aid of a calculator !
36.5... without using a calculator.
Hold down the home button and sleep/wake button for 3 to 5 seconds.
700,000 - without using a calculator !
Use a calculator - 3125 divided by 5
tap the on or hold button 5 times.
60% (you could use a calculator, you know...)
Press the Home button (the one in the middle below the screen).