  Uncertainty relations are shown to have nothing specific for quantum
mechanics, being the general property valid for arbitrary function. A wave
function of a particle having precisely defined position and momentum in QM
simultaneously is demonstrated. Interference on two slits in a screen is shown
to exist in classical mechanics. A nonlinear classical system of equations
replacing QM Schr\"odinger equation is suggested. This approach is shown to
have nothing in common with Bohmian mechanics.
