Multi-Destination VET Tax Calculator
Commercial Gross:R$ 381.69
Bank Spread:R$ 5.73
IOF Tax:R$ 4.26
Effective VET Rate:R$ 0.003917
Total in Home Currency:R$ 391.68
Universal Cross-Currency Converter
Source:1,000.00 BRL
Direct Rate:1 BRL = 261.9926 ARS
Inverse Rate:1 ARS = 0.003817 BRL
Rate Type:Parallel Market (Blue)
Converted Total:261,992.62 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 & Navigation
Find exchange bureaus, trace walking routes with travel time, and drop custom saved locations
Add Custom Saved Pin
Click anywhere on the map or fill coordinates below to save a custom favorite spot:
Walking Route to Selected Spot
Distance: 0 m
Estimated: 0 min walk
Open Wikivoyage Travel Guide
Offline Pack Ready
Safety Advisories:
Common Local Scams:
Emergency Contacts:
City Chapters:
Offline Sign & Menu Translator
Instant on-device OCR and lexicon translator for South American road signs, transit terms, and restaurant menus.
Route Fuel & Highway Toll Calculator
Fuel Required:
59.50 Liters
Fuel Cost:
ARS 68,425.00
Highway Tolls:
ARS 12,000.00
Grand Route Total:
ARS 80,425.00
Converted to BRL:
R$ 307.00
Airport Transit Hub Logistics
Distance to Center:
32 km southwest
System Architecture & Modules
- Fixed-Point PrecisionDecimal.js (80-bit Arithmetic)
- Offline PersistenceDexie.js IndexedDB v4
- Geospatial Radar & RoutingOSM Overpass + OSRM Pedestrian
- Travel Pocket GuideWikivoyage Offline Packs
- Offline Sign & Menu OCROn-Device Lexicon + Levenshtein
- Highway Tolls & MobilityCross-Border Fuel Matrix
- Airport Transit HubsOfficial Logistics (EZE, AEP, COR, SCL)
- Live WebSocket TickerOperational (Checking feed...)
- AI Agent ProtocolModel Context Protocol (MCP)
- Mobile BridgeCapacitor (iOS & Android)
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