None.
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.
To input a fraction on an iPhone calculator, you can use the division symbol (÷) to represent the fraction. For example, to input 1/2, you would type "1 ÷ 2" and then press the equals button to get the result. Alternatively, if you're using the scientific calculator mode (available by rotating the iPhone to landscape), you can also use the fraction button (a/b) if available, depending on the app version.
On an iPhone, the sign for division is represented by the forward slash (/) symbol. This can be used in various applications, such as Notes or Calculator, to indicate division in mathematical expressions. In the Calculator app, you can also find a division button that looks like a division sign (÷).
You can switch between numbers and letters on the Keyboard. It is found under the Numbers section.
were is the carrot button on a scientific calculator
When in the calculator app, hold your phone longways.
There is an app called ABCOrder that lets you practice your ABC order.
On a graphing calculator, it is the one that looks like an upside down V.
abc
You press the Home button on the iPhone. the Home button is a actual button, and is not on the screen.
Pcalc Lite is the best calculator app for iPhone (iOS)
The power button is on top of the iPhone 4. You hold down the button to either turn the phone on or off.