About this app
Turn any idea into a calculator you can trust. Formula Calculator lets you build custom calculators with variables, functions and units—perfect for study, engineering, finance, science and daily life. 【Core Features】 • Build Your Own Calculators - Define inputs with friendly names and default values - Choose units (kg, m, USD, etc.) for clear results - Write expressions using common math functions - Control decimal places for precise outputs - Preview results instantly while typing • Organize Everything - Use tags to group formulas (geometry, statistics, BMI, physics, finance) - Search across all formulas in seconds - Sort by name, time, or custom order - Reuse sub-formulas to keep complex projects tidy • Never Lose Your Work - Every calculation saved to History automatically - Recalculate with one tap - Export data when needed - Keep progress across sessions • Built-in Date Calculator - Find days before/after any date - Calculate the number of days between two dates - Perfect for planning and deadlines 【Perfect For】 - Students - Geometry, physics, statistics calculations - Engineers - Custom engineering formulas - Finance - Compound interest, ROI, loan calculations - Daily Life - BMI, cooking conversions, date planning Clean design, instant feedback, and powerful tools make this the one "formula calculator" you'll use every day. Build once, use forever.
Latest release
What’s New
1. Name your calculation records for easier review 2. Better ordering experience when arranging formulas, inputs, and results 3. Smoother history management and record export
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 25, 2026 · 8:36 AM Free