DesiCalc is a smart, comprehensive multi-purpose calculator designed to handle your everyday financial calculations, budget planning, health tracking, and daily utility needs.

Key Features:

1. INTEREST & EMI CALCULATOR:
• Local Simple Interest: Calculate traditional Indian local interest rates in Rupees per 100 per month.
• Annual Interest: Toggle easily between local rates and bank annual percentage rates (p.a.).
• Loan EMI: Plan your loans with a clear monthly installment breakdown and total payout interest.
• SIP & Investment: Estimate future maturity values of your systematic investment plans.

2. HEALTH & BODY TRACKERS:
• BMI Gauge: Calculate your Body Mass Index with a clean, color-coded visual needle gauge.
• BMR & Calories: Find your Basal Metabolic Rate and daily calorie needs based on your active lifestyle.
• Water Intake: Log and visualize your daily hydration progress against target volumes.
• Waist-Height Ratio: Check body fat proportions and health warnings.

3. BUDGET & split BILLS:
• 50/30/20 Budgeting: Plan your monthly income allocation for needs, wants, and savings.
• Emergency Reserve Indicator: Track and build your emergency funds.
• Split & Tip: Split restaurant bills and group expenses with friends using custom percentage shares.

4. FUEL & MILEAGE UTILITY:
• Trip Cost Calculator: Estimate fuel consumption and costs for trips.
• EV vs Petrol: Compare monthly running costs of Electric Vehicles against standard gasoline cars.

5. OFFLINE & PRIVACY FIRST:
• 100% Private: All calculations happen completely on your device.
• No Permissions Required: No camera, contacts, or location access needed.
• No Ads & Free: Simple, clean user interface with zero advertisements.