Calculator

A calculator app built with React. The functionality and design are based on Apple's calculator app.

• Includes basic and scientific modes
• Can be installed as a mobile app (Android/windows only)
• On mobile, the calculator mode is set based on device orientation... rotating device to landscape switches to scientific mode, portrait for basic mode.

Scientific Keys

| Key | description | |:-----|:-----------------| | X2 | square the displayed value | | X3 | cube the displayed value | | Xy | Raise the displayed value to the power of the next value entered | | 1/x | Calculates the inverse of the displayed value | | 2√x | calculate the square root of the displayed value | | 3√x | Calculate the cube root of the displayed value | | y√x | Calculate the nth root of the displayed value where n is the next value entered | | ln | Calculate the natural logarithm of the displayed value | | log10 | Calculate the base 10 logarithm of the displayed value | | x! | Calculate the factorial of the displayed value | | sin | Calculate the sine of the displayed value | | cos | Calculate the cosine of the displayed value | | tan | Calculate the tangent of the displayed value | | sinh | Calculate the hyperbolic sine of the displayed value | | cosh | Calculate the hyperbolic cosine of the displayed value | | tanh | Calculate the hyperbolic tangent of the displayed value | | e | Set display value to Euler's number | | Π | Set display value to PI |

Functions Keys

| Key | description | |:-----|:-----------------| | ( | Open parenthesis (not yet) | | ) | Close parenthesis (not yet) | | mc | Clear the memory | | m+ | Add the displayed value to memory | | m- | Subtract the displayed value from memory. | | mr | Recall the value stored in memory and displays it | | rad | Set the unit of measurement for angles to radians | | deg | Set the unit of measurement for angles to degrees |

Basic keys

| Key | description | |:-----|:-----------------| | +/- | Negate the displayed value | | % | Convert displayed value to a percentage | | / | Divide displayed value by the next value entered | | + | Add the next value entered to the displayed value | | - | Subtract the next value entered from the displayed value | | x | Multiply displayed value by next value entered |

Live Demo:

https://lukepeavey.github.io/calculator/

CodeSandbox Demo (with FCC Test suite)

https://codesandbox.io/s/m480mov5y8?view=preview