Display planetary in various coordinate systems. Calculate and show past and future constellations. Track equinoxes, solstices, eclipses, planet oppositions, conjunctions, elongations, moon phases, distances, and nodes.
Calculate material needs for flooring, walls, and ceilings. Draw rectangles or L-shapes to measure spaces. Account for installation standards like seams and tile centering. Estimate product usage based on real layouts.
Calculate tips by entering the total bill amount. Choose a tip percentage or let the suggest an amount. Split the total among multiple people. Save transaction history for future reference.
