Open ProjectLive public project
PROJECT CASE STUDY // Retail operations and till reconciliation
TillMate
UK Coin Weight Counter
A mobile-first web application that estimates UK coin quantities and cash values using measured coin weight.
HTML5CSS3Bootstrap 5JavaScriptjQueryLocalStorageGitHub Pages
PROJECT_PROFILE.exe
SYSTEM RECORD
>PROJECT: TillMate
>CATEGORY: Open Project
>DOMAIN: Retail operations and till reconciliation
>VISIBILITY: PUBLIC
>STATUS: Live public project
01
ENGINEERING OVERVIEW
Challenge and contribution
CHALLENGE
Retail and Post Office cash-up can become time-consuming when loose or partially used coin bags need to be counted manually.
CONTRIBUTION
Designed and built a browser-based calculator supporting UK coin denominations, container tare adjustment, editable weight values and practical rounding controls.
02
IMPLEMENTATION RECORD
Implemented and delivered
- Supports UK coin denominations from £2 to 1p.
- Calculates estimated coin quantities from weight in grams.
- Calculates denomination totals and an overall cash total.
- Supports optional container or tray tare weight.
- Provides Round, Floor and Ceil calculation modes.
- Allows standard coin weights to be edited.
- Persists edited coin weights using LocalStorage.
- Provides a responsive mobile-first interface.
03
FUTURE ROADMAP
Planned improvements
Review installable PWA support.
Add optional cash-up history.
Add export or print-friendly reconciliation output.
Add further input validation and automated UI testing.