It is a simple calculator web application with bootsrap, jquery and math.js. May those sin, cos, tan and cot have not the best solution (may need some angle ex.: 45˚).
- may sqrt, abs, cos... need a close ')' when i push the button and cursor is in brackets
- memory could be in session/cookie too
- in phone have to touch the input field for deleting
- in phone has a graphical issue with the pushing of buttons
- more button (e number, planck number etc.)
- more function (units, formulas)
- more design