The left hand side of the equation should be typed in the box provided using only `x' as the unknown.
The expression must use JavaScript syntax which accepts the usual operators except either `^' or `**', as well as exp, sqrt, sin, cos etc.
log is natural log. To raise to a power use pow(x,n) .
The `Step' button takes a single bisection step. Click it again to to another step. The `Solve' button takes 20 steps. Another click gives another 20.