Oxygen in Atmosphere SNS v23.0

🏔️ **Atmospheric Oxygen Calculator & Professional Altimeter**

Discover atmospheric oxygen levels and precise altitude measurements using your device's barometric pressure sensor. Perfect for hikers, mountaineers, pilots, and outdoor enthusiasts who need to understand atmospheric conditions at different elevations.

📱 **KEY FEATURES**

**Atmospheric Oxygen Level Calculation**
- Calculate oxygen availability in atmosphere at current altitude
- Show oxygen percentage relative to sea level conditions
- Real-time atmospheric oxygen monitoring based on pressure changes
- Educational tool for understanding altitude effects on atmosphere
- Visual oxygen level display with animated progress indicators

**Precise Barometric Altitude Measurement**
- Real-time altitude calculation using international barometric formula
- Support for meters and feet units
- Auto-calibration system for improved accuracy
- Animated altitude display with progress tracking

**Professional Barometer Functionality**
- Accurate atmospheric pressure readings
- Multiple pressure units: hPa, mbar, Pa, psi, atm
- Analog barometer needle simulation
- Tap to cycle through different pressure units

**Smart Calibration System**
- GPS-assisted calibration for enhanced accuracy
- Persistent calibration memory
- Intelligent pressure validation
- Long-press altitude display for calibration info

🎯 **PERFECT FOR**
- Mountaineers planning high-altitude climbs
- Hikers tracking atmospheric conditions
- Pilots understanding oxygen levels at altitude
- Educational purposes and atmospheric science learning
- Weather enthusiasts seeking comprehensive atmospheric data
- Adventure travelers preparing for high-altitude destinations
- Outdoor professionals needing atmospheric measurements

📊 **TECHNICAL FEATURES**
- Uses device's built-in pressure sensor (barometer)
- International barometric formula calculations
- Atmospheric oxygen percentage calculation based on pressure
- Real-time sensor data processing with validation
- Battery-optimized sensor management
- Animated UI with smooth transitions

**How Atmospheric Oxygen Calculation Works:**
The app calculates atmospheric oxygen availability based on pressure changes with altitude. As elevation increases, atmospheric pressure decreases, reducing oxygen availability in the air. This provides valuable atmospheric data for altitude planning and education.

**Multiple Display Units & Interactive Features:**
- Altitude: Meters, Feet (tap to toggle)
- Pressure: hPa, mbar, Pa, psi, atm (tap to cycle)
- Oxygen: Percentage relative to sea level
- Interactive displays - tap numbers to change units
- Information dialogs explain each measurement

🔧 **EASY TO USE**
- Automatic sensor detection and initialization
- Tap altitude/pressure displays to toggle units
- Long press altitude for calibration information
- Question mark icons for detailed explanations
- Clean, intuitive interface with smooth animations
- No complex setup required

💡 **EDUCATIONAL VALUE**
Learn about atmospheric pressure relationships, altitude effects on oxygen availability, and meteorology while getting accurate measurements for your outdoor activities. Perfect for students, educators, and anyone interested in atmospheric science.

⚠️ **IMPORTANT REQUIREMENTS & DISCLAIMERS**
- Requires device with built-in pressure sensor (barometer)
- Most modern Android devices include this sensor
- Oxygen calculations show atmospheric oxygen availability only
- Not a medical device - does not measure physiological oxygen levels
- For educational and informational purposes about atmospheric conditions

**Note**: This app provides atmospheric measurements and calculations. The oxygen level feature displays atmospheric oxygen availability based on altitude and pressure changes.