Explore and compare spherical Earth and flat Earth models with real math, flight routes, map projections, and Qibla direction calculations.

old functions I never found when i needed, scatter plots with added fault strike and dip convert dip direction to strike, plot planes as poles and poles as planes using wullf stereographic projection.

Interactive web tool for comparing spherical Earth and flat Earth models using distance calculations, flight paths, map projections, and Qibla direction to the Kaaba.

A deterministic eclipse prediction system on a stationary flat Earth using analemma-based temporal geometry.