Dual Calculator – Double Calc

Fantastic Byte

About this app

Run two calculators at once! Copy results between them instantly. Perfect for comparing prices, splitting bills, or multi-step calculations.

If two calculators are put together for calculation, the results of one calculator can be imported into the other calculator. What experience will it be.

Double Caculator put the normal calculator on the one side ,and the other side is a panel with multiple functions.

Built-In AI Math Assistant

Stuck on a calculation? Just type it in plain English or Chinese. Our AI assistant understands natural language and solves math problems step by step.

- "What is 17% of 128?"
- "500 USD to EUR"
- "15% off 1280"
- "1280 with 20% discount plus 5% tax"
- Free daily queries — no subscription required

All-in-One Unit Converter

Convert between units without leaving the app. Supports 6 categories:

- Currency: USD, CNY, TWD, JPY, EUR, GBP, KRW
- Length: km, miles, meters, feet, cm, inches
- Weight: kg, lb, g, oz
- Temperature: Celsius, Fahrenheit, Kelvin
- Area: m², ft², hectares, acres
- Volume: liters, mL, gallons, cups

Swap units with one tap and import converted results directly into your calculator.

Calculation History

Never lose a result again. Every calculation is automatically saved with timestamp. Swipe to delete, tap to re-import any past result, or clear all history at once.

Designed for Productivity

- Clean, modern dark-mode interface
- Responsive layout adapts to any screen orientation
- Percentage, sign toggle, and backspace functions
- High-precision arithmetic engine (up to 15 digits)
- Lightweight and fast — no ads, no bloat

What’s new

Fixed the issue of the AI ​​interface being inaccessible.