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Free, exact, cited calculators for pilots, drone operators, surveyors, and GIS developers: a static website (geoprims.com) and a local MCP server. Runs on your device.
Free GPA and grade math server for AI apps. GPA, what you need on the final, weighted grades, target GPA.
High-precision calculator MCP server — goes beyond arithmetic to calculus (derivatives, integrals) and equation solving, all evaluated in fixed-point, IEEE-754, or exact rational mode with every answer labelled exact or inexact.