aView is a collection of small utilities to calculate various things about angles, speed, altitudes, horizon, areas, ranges, orbits and time.
Functions:
Triangle area using HeronĀ“s formula, three knows sides.
Triangle area using trigonometric sine function, two known sides and angle berween.
Distance to horizon or to tower behind horizon.
Altitude needed to see a certain distance to the horizon.
Depth of a straight tunnel below the earth surface.
Projectile parabola. Altitude, distance and time.
Turning radius and g-force for given speed and banking.
Speed and time in orbit around the earth.
Gravitation from a body at certain distances.
Calculate your glasses dioptre.
Convert angles format.
Triangle angles and length.
Calculate roots in quadratic equation.