Overview
The BN Ration Scale calculator is a client‑side JavaScript application that computes total ration quantities based on user inputs. It is designed to be lightweight, responsive, and easy to use. The core calculation follows a simple multiplication: Total Quantity = Per‑Head Daily Scale × Strength × Number of Days.
Data Structure
All ration scales are stored in JavaScript objects. The current version includes scales for:
- Officers (OFFRS) – Fresh and Dry ration.
- JCO/ORs – Fresh and Dry ration.
- Army Dogs – Fresh and Dry ration.
Each category has a defined set of items with quantities in grams, kilograms, or litres per person per day. These values are based on historical data and are provided for reference only.
Calculation Logic
The user selects a category, ration type, enters the strength (number of persons/dogs), and the number of days. The script then iterates over the items in the selected scale, multiplies each per‑day quantity by the total person‑days (strength × days), and displays the results in a table. The totals are also summed for quick reference.
For the Fresh Vegetable Variety Chart, a separate module displays itemised quantities for a selected month, based on monthly percentages.
Technology Stack
- HTML5 – semantic structure.
- CSS3 – responsive design, custom properties, flexbox/grid.
- Vanilla JavaScript – no external libraries; handles all calculations and DOM manipulation.
- JSON‑LD – for structured data (SEO).
- Meta tags – for SEO, Open Graph, Twitter Cards.
All pages are statically generated and can be served from any web server without a backend.
Data Sources and Updates
The scales used are derived from publicly available information and historical records. We do not claim that they are the latest official scales. Users should verify against current authorised documents. Updates to scales are documented in the Changelog.
Responsive Design
The website is built with a mobile‑first approach using CSS media queries. It adjusts layout, font sizes, and navigation for optimal viewing on desktops, tablets, and smartphones.
Future Enhancements
- Adding more ration categories (e.g., families, other animals).
- Export functionality (PDF/CSV).
- User‑defined custom scales.
- Integration with official APIs (if available).
- Multilingual support.
Version History
See the Changelog for a detailed list of updates, fixes, and new features.
Support and Feedback
For technical questions or bug reports, please visit our Support page or contact us at support@startknowledge.in.