Timber Engineering Calculator vs Sound Amplifier

Timber Engineering Calculator — 55 calculators for timber and wood-works design. Available in Metric (SI) and Imperial (USCS) units. NEW — Wood Species Reference & Auto-Fill: • Built-in species library (NDS 2018): Douglas Fir-Larch, Southern Pine, Hem-Fir, Spruce-Pine-Fir — Select Structural, No.1, No.2 • View Fb, Ft, Fv, Fc⊥, Fc, E and G in SI (MPa) and USCS (psi) • One-tap auto-fill of design values into calculators — faster, fewer errors • Auto-fillable fields marked with a tree icon Save calculations to History, add notes, export PDF reports. Formula shown on top; Calculate activates when all inputs are entered. SECTION PROPERTIES • Area of Section • Moment of Inertia • Distance from Axis to Extremities • Radius of Gyration • Section Modulus BENDING & SHEAR • Maximum Fiber Stress • Maximum Fiber Stress using Section Modulus • Horizontal Shearing Stress • Horizontal Shearing Stress (notched beam) • Modified Total End Shear (Concentrated / Uniform Loads) TIMBER COLUMNS (species auto-fill) • Allowable Unit Stress — Single/Glued, Rectangular, Circular • Allowable Compressive Stress at an angle to grain • Allowable Stress — Rectangular (NDS) • Hankinson's Equation ADJUSTED DESIGN VALUES (species auto-fill) • Extreme-Fiber Bending, Tension, Shear • Compression perpendicular / parallel to grain • End grain in bearing • Modulus of Elasticity DESIGN FACTORS • Size Factor • Volume Factor (Southern Pine / Other Species) • Radial Stress from Bending Moment • Curvature Factor • Bearing Area Factor • Slenderness Ratio for Beams NAILS & SPIKES • Allowable Withdrawal Load • Total Allowable Lateral Load — Group I–IV Wood WOOD SCREWS • Allowable Withdrawal Load • Total Allowable Lateral Load — Group I–IV Wood CONNECTORS — ADJUSTED DESIGN VALUES • Bolts — Lateral Loading • Split-Ring & Shear-Plate — Parallel / Normal to Grain • Nails & Spikes — Withdrawal / Lateral • Wood Screws — Withdrawal / Lateral • Lag Screws — Withdrawal / Lateral • Metal Plate Connectors — Lateral • Drift Bolts & Pins — Withdrawal / Lateral • Spike Grids — Lateral • Stress and Deflection Factor (Ponding) Also available: Civil Engineering Pack — 12 modules (Beam, Structural, Concrete, Column, Hydraulics, Survey, Soil, Piling, Highways, Bridge, Converter) in SI and USCS.

Turn your phone into a personal sound amplifier. Capture nearby sounds through your phone’s microphone, enhance voices and audio in real time, reduce unwanted background noise, and listen through your connected headphones. Whether you're trying to follow a conversation, hear the TV more clearly, or focus on nearby sounds, Sound Amplifier gives you simple, customizable audio control. AMPLIFY SOUNDS IN REAL TIME Use your phone’s microphone to capture surrounding audio and send enhanced sound directly to your headphones. Adjust amplification to find the listening level that works best for your environment. VOICE BOOST Bring voices and speech into focus with real-time audio enhancement. Boost important sounds while keeping your listening experience natural and comfortable. NOISE REDUCTION Reduce distracting background sounds with adjustable noise filtering. Tune your audio for environments with conversations, crowds, traffic, fans, or other unwanted noise. CUSTOMIZE YOUR SOUND Fine-tune your listening experience with adjustable sound levels and sensitivity controls. Create settings that work for different everyday situations and switch between them whenever you need. REAL-TIME AUDIO PROCESSING Your phone captures sound through the microphone, processes it using the app's audio controls, and plays the enhanced result through your connected headphones. KEY FEATURES • Real-time sound amplification • Voice and speech enhancement • Background noise reduction • Adjustable amplification levels • Adjustable microphone sensitivity • Customizable sound profiles • Live audio processing • Wired and Bluetooth headphone support • Simple one-tap controls • Clean, easy-to-use interface GREAT FOR EVERYDAY LISTENING Use Sound Amplifier when you want to focus on nearby sounds or enhance your listening experience: • Conversations • Watching TV • Meetings and presentations • Restaurants and cafés • Outdoor environments • Studying and focused listening • Listening from a distance • Everyday personal audio SIMPLE AND EASY TO USE Connect your wired or Bluetooth headphones, allow microphone access, start amplification, and adjust the controls to your preference. The straightforward interface lets you focus on listening instead of complicated settings. YOUR PHONE. YOUR HEADPHONES. YOUR SOUND. Sound Amplifier combines your phone's microphone with real-time audio processing to give you more control over the sounds around you. Adjust amplification, enhance voices, reduce background noise, and create a listening experience that fits your environment. PRIVACY Audio processing is performed locally on your device. The app does not need an internet connection for its core sound amplification functionality. Note: Sound Amplifier is designed for general sound enhancement and personal listening. It is not intended to diagnose, treat, cure, or prevent any medical condition. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/