It looks iPhone has been hiding a big feature all-along, which is useful for students and working professionals. If you used to use a third-party calculator app on your iPhone to access a scientific ...

You can do fractions on your iPhone calculator using two different methods. When you turn your iPhone calculator sideways — switching it to a scientific-calculator layout — you'll be able to use more ...

Scientific calculators were invaluable to most of us through high school and college, freeing us from the yoke of using tables to calculate logarithms and trigonometric functions. Once out in the real ...