PlankMath

PlankMath is a professional offline calculator and workshop companion built for carpenters, woodworkers, and furniture makers. No internet, no login, no ads — all your data stays on your device. Key Features Fully Offline — Works anywhere: job site, garage, or shop floor Local Data Only — Materials, calculations, photos, notes, and costs saved on-device Workshop-Friendly UI — Clean wood-tone design with large, easy-to-tap controls What's Inside Dashboard — Quick stats, shortcuts, smart reminders, and recent activity Material Gallery — Photo archive with categories, specs, moisture notes, and before/after comparison Unit Converter — Length, area, and volume conversion with standard size presets Cutting Angle Calculator — Miter, bevel, polygon frames, and saved angle presets Material Calculator — Board layout, waste estimation, and cut lists Tenon & Mortise Tool — Standard joint proportions with custom presets Wood Cost Accounting — Material, labor, finishing costs, and pricing estimates Workpiece Schedule — Track cutting, sanding, assembly, and finishing progress Craft Notes — Woodworking tips, techniques, and photo attachments Reference Tools — Moisture content, screw sizing, drying times, bend radius, and tolerance check PlankMath — Professional woodworking math, always in your pocket.