Multi-Destination VET Tax Calculator
Commercial Gross:R$ 414.82
Bank Spread:R$ 6.22
IOF Tax:R$ 4.63
Effective VET Rate:R$ 0.004257
Total Cost in Home Currency:R$ 425.67
Universal Cross-Currency Converter
Source:1,000.00 BRL
Direct Rate:1 BRL = 241.0714 ARS
Inverse Rate:1 ARS = 0.004148 BRL
Rate Type:Parallel Market (Blue)
Converted Total:241,071.43 ARS
Add Trip Expense Item
Expenses Summary & Mini-Splitwise
Items Count:0 items
Gross Equivalent (BRL):R$ 0.00
Total VET Tax & Spread:R$ 0.00
Grand Total (BRL with VET):R$ 0.00
Cost Per Person:
R$ 0.00
Itemized Travel Products
| Product | Quantity | Original Price | Payment Method | Converted (BRL with VET) | Action |
|---|---|---|---|---|---|
| No items added yet. Add a product above to start calculating! | |||||
OpenStreetMap Physical Exchange Radar
Find nearby money exchange bureaus, Western Union agents, and ATMs
System Architecture & Modules
- Fixed-Point PrecisionDecimal.js (80-bit Arithmetic)
- Offline PersistenceDexie.js IndexedDB v4
- Geospatial RadarOSM Overpass + Haversine
- AI Agent ProtocolModel Context Protocol (MCP)
- Mobile BridgeCapacitor (iOS & Android)
- Architecture PatternStandalone & Signal Architecture
MCP Tools Integration
The project includes a standalone Model Context Protocol server exposing financial calculation capabilities to AI assistants:
- ivoyager_calculate_vetVET Tax Matrix Engine
- ivoyager_convertCross-Rate Precision Converter
- ivoyager_get_ratesMulti-Source Live Aggregator
- ivoyager_find_exchange_spotsProximity Geodesic Radar