Калькулятор прямоугольного треугольника

The program to calculate all the parameters of a right triangle for a given two: 2 cathetus, or cathetus and hypotenuse, or angle and hypotenuse, or cathetus and one of the corners. The calculation of the other sides, angles, perimeter, area, height, as well as all trigonometric parameters of the angles - their sine, cosine, tangent and cotangent. Rounding parameters to thousandths.