Winston Scientific is a local-first calculator and study app designed for both quick everyday math and deeper scientific work. Use the app as a fast basic calculator, switch into scientific mode for higher-level functions, move into graphing when you need to visualize a function, and search the built-in study catalog for selected open math and science textbooks. Inside the app you can: - solve everyday arithmetic quickly - work with scientific functions and notation - graph equations and inspect values - review past results - search a bundled study catalog built from selected open textbooks The current study catalog includes selected titles from OpenStax and OpenIntro, including algebra, trigonometry, statistics, physics, and chemistry references. Winston Scientific is built to stay simple: - no account creation - no sign-in - no ads - no subscriptions - no analytics or tracking - no required web connection for core features This app is intended to be useful for students, everyday users, and anyone who wants a clean offline math tool with a built-in study layer.