Create estimates and invoices with customizable templates. Add images and descriptions to proposals. Accept payments via credit cards and PayPal. Send documents via email or SMS. Track payments and manage team activities.
Perform calculations using a basic, scientific, currency, and units calculator. View calculation history, convert numbers to speech, and synchronize results across all calculator modes.
Calculate pool chemical dosages based on water chemistry and LSI balance. Measure and adjust pH, alkalinity, and calcium hardness. Estimate pool volume and watch instructional videos. Access a user-friendly interface for accurate chemical balancing.
Calculate dimensions, convert units, and perform angle and rafter measurements. Estimate material quantities and layout stairs. Input measurements for precise calculations. Save and reuse formulas for repeated tasks.
The app interpolates a value using defined X-Y points. It can calculate fluid volume from pressure readings or convert between temperature and speed units.
Convert units across 14 categories including length, weight, and temperature. Switch between metric, imperial, and Chinese traditional systems. Customize display formats and save frequently used conversions.
The app calculates oil quantities for fuel and oil ratios. It includes unit converters for area, distance, volume, and temperature, along with various calculators for mixtures and efficiency.
The app calculates fuel loading and payload for small turbine aircraft. It checks for overweight conditions and provides real-time calculations with color-coded status messages.
Convert units across 17 categories with 398 options. Switch between currencies using daily updated exchange rates. Access converter on Apple Watch for quick and conversions.
Estimate surface volumes by selecting shape and entering measurements. Calculate results in barrels and gallons. Supports tank displacement for rectangle and square spills. Includes a modern UI and Help & About screen for guidance.
Access plumbing data for UPC and IPC. View fitting take-off dimensions for DWV and H2O. Calculate water line specifications for UPC and IPC. Switch between standards. Retrieve core plumbing tools.
Perform calculations with addition, subtraction, division, and multiplication. Calculate powers, roots, and percentages. Use dark mode, split view, and portrait/landscape orientation. Copy results by pressing and holding numbers.
Control your TV remotely using your device. Adjust volume, change channels, select apps, and navigate menus. Use on-screen keyboard for input. Subscription required for full features.