PHCalcBook: Natural Language Calculator Notepad
CalcBook is a smart notepad interface designed to parse and calculate mathematical E×ρréššions embedded within natural language text. It eliminates the need for traditional calculator buttons by processing typed input and displaying results instantly.Technical Specifications
| Category | Details |
|---|---|
| Minimum OS | Android 7.0 and up |
| Version Info | Minor bug fixes |
| Connectivity | 100% Offline (No internet required) |
| Privacy | No data collection; no tracking |
Core Functionality
CalcBook automatically extracts numerical data and operators from sentences. It supports mixed-context calculations, unit conversions, and chronological math.Input Examples:
- Hourly Rates: "40 hours at $35/hour" → $1,400
- Travel Planning: "flight $340 + hotel $120 × 3 nights" → $700
- Unit Conversion: "100 km in miles" → 62.14 miles
- Date Arithmetic: "Jan 1 + 133 days" → May 13, 2025
- Division/Splitting: "split $120 3 ways" → $40
Feature Set
- Natural Language Engine: Processes conversational text into mathematical results.
- Notepad Editor: Every line functions as an active calculation field.
- Unit & Currency Conversion: Integrated conversion tools that function entirely offline.
- Chronological Math: Support for calculating "days until," "days since," and specific durations.
- Multi-Currency Support: Support for symbols including $, €, £, ₹, and others.
- UI Customization: Features multiple editor fonts and syntax-highlighted color themes.