Free website generator for mobile apps; privacy policy, app-ads.txt support and more... AppPage.net

About Custom Formula Pro

Custom Formula Pro turns everyday calculations into reusable formulas. Build your
own formulas once, plug in values, and get instant results — completely offline.

KEY FEATURES
• Custom formulas — create, name, and save formulas you use again and again.
• Built-in constants — π, e, gravity, speed of light, Avogadro's number, and more,
ready to drop into any formula.
• Your own constants — define custom constants and reuse them everywhere.
• Scientific & exponential math — powers, square roots, exp, log, and trigonometry.
• Calculation history — every result saved so you can revisit past work.
• Export — save your formulas and results.
• 100% offline — no account, no internet needed. Your data stays on your device.

FREE & PREMIUM

Custom Formula Pro is free to start with a generous trial. Premium unlocks unlimited
formulas, unlimited custom constants, full history, and export — available as an
Individual or Business subscription.

Perfect for engineers, students, scientists, teachers, and anyone who works with
formulas every day.