Apps by 庆鸿 林
Quick Formula Calculator app icon

Education

Quick Formula Calculator

庆鸿 林

Free download 2.00 · 1 storefront · 1 rating In-app purchases unconfirmed
Open on Apple

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

Version 1.0.7 Jun 5, 2026

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

Steady
7-day gain +0
Ratings / day 0.0
30-day gain +0
US rating-count history
1 ratings
1 Aug 25, 2026 · 1 ratings Aug 25, 2026

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

1 captured event
Current Free
Historical low Free
Paid → free
Price history
Current Free
Free Aug 25, 2026 · Free Aug 25, 2026

First snapshot captured. The trend line starts after the next crawler price observation.

  1. First observed Aug 25, 2026 · 8:36 AM Free

Screenshots

Quick Formula Calculator iPhone screenshotQuick Formula Calculator iPhone screenshotQuick Formula Calculator iPhone screenshotQuick Formula Calculator iPhone screenshotQuick Formula Calculator iPhone screenshotQuick Formula Calculator iPhone screenshot Quick Formula Calculator iPad screenshotQuick Formula Calculator iPad screenshotQuick Formula Calculator iPad screenshotQuick Formula Calculator iPad screenshotQuick Formula Calculator iPad screenshotQuick Formula Calculator iPad screenshot