Results area, expressions can be entered here

This field is requireddata and notes will be cleared on page exit

This field is required- use buttons like a calculator, or math expressions can be entered directly into the result area by clicking/tapping it and using a keyboard (the area has multiple lines for long expressions), then when ready press
`equals =`

button - order of operations: parentheses, exponents, multiplication or division, addition or subtraction, if same precedence (like * and /) then computed from left to right
- find the longer 'golden ratio' length, enter:
`length/phi`

- determine the hypotenuse of a right triangle enter
`sqrt(first^2+second^2)`

add closing parenthesis - trigonometry, eg. cosine:
`cos(45 deg)`

- speed, eg.
`90 km/h to m/s`

etc. - decimal calculations done in javascript sometimes produce results with many decimal places - these inaccuracies can be ignored, or results rounded manually