Free Form Calculator

For example to compute the factors of 123456789, left click with the mouse on the board somewhere, type factors(123456789) and hit the ENTER key to give 3,3,3607,3803. Equations can changed and recomputed by hitting ENTER.   The Free Form Calculator gadget includes a large range of mathematical tools including many functions, integrals, equation solving and plotting etc. The user could easily add new functions if required.

Some basic examples are shown below. Inverse Cosine: arccos(0.5)=1.0471975511965976 Complex squareroot: complexsqr("2+3i")=1.6741492280355401+0.895977476129838i Gamma function: gamma(3.5)=3.3233509704 Plot a function plot("sin(x)") Quadratic equation roots: quadratic(1,1,1)=-0.5+0.866025*i,-0.5-0.866025*i Random number: random("normal")=-1.4112825233585504 Solve a single equation: solve("x*sin(x)-1")=1.1141571408719301 Tan function: tan(2)=-2.185039863261519