’Exponent’ is another name for power. On a calculator, the ‘exponent’ button is specifically for standard form and powers of 10, whereas the x y button can be used for any power.

The iPhone's scientific calculator provides exponential, logarithmic and trigonometric functions. It even has some hidden functions that reveal themselves if you hit the button that reads ‘2nd'.

Microsoft is adding a graphing mode to the Windows 10 calculator. The company made the calculator open-sourced on GitHub earlier this month and has received over thirty suggestions from ...