Convert aerodynamic speeds between calibrated, equivalent, true, and Mach numbers. Calculate International Standard Atmosphere properties based on pressure altitude and temperature deviation.
by Pierre Bertrand★ 0.00 ratingsProductivityFreeData updated 2026-09-06
Calculate reactions with built-in equations and thermodynamic data. Convert units for pressure, temperature, and concentration. Solve material and energy balance problems. Access property tables for gases and liquids.
Calculate hydraulic parameters like capillary rise, viscosity, hydrostatic pressure, and head loss. Convert between metric and imperial units. Solve for pressure head, velocity head, and specific energy head.
Perform calculations with a standard featuring extra-large buttons and functions like delete, x², √, and %. Use a scientific with 30 advanced functions. Convert units, calculate loans, and determine tips.
Monitor earthquakes with real-time updates and GPS compass maps. Display professional data including altitude, orientation, air pressure, and coordinates. View environmental metrics like humidity and temperature.
Calculate humidity properties using dry-bulb, wet-bulb, and dew point temperatures. Input values to determine relative humidity, vapor pressure, and specific humidity. Display results in a interface with precise Wexler–Hyland formulation.
Offers standard and advanced math functions including percent, negative sign, memory, brackets, and history. It includes trigonometry, roots, exponents, and logarithms.
Convert units across 16 categories including temperature, currency, distance, weight, and volume. Access a standard and scientific within the . Units are organized by usage frequency with commonly used units displayed first.
Convert units across 24 categories with hundreds of options. Adjust category order and view last conversion via Today widget. Copy results with 3D Touch. Convert as you type. Includes currency converter shortcut.
Calculate properties for saturated and superheated with pressure, temperature, and enthalpy values. Access HVAC equipment locator features. View property and charts. Export data and share results.
Calculate thermodynamic properties of water and using the IAPWS-IF97 formulation. Input temperature and pressure to determine enthalpy, entropy, and density. Access supplementary standards for backward equations. Export results in tabular format.
Manage Raspberry Pi remotely with GPIO control for on/off and impulse functions. Access a file manager to explore and transfer files. Send terminal commands, view camera images, and retrieve sensor data.
A that displays magnetic and true north. Switch between modes. Rotate map for directional reference. Includes for altitude measurement on compatible devices.
Convert temperatures between and . Calculate conversions manually or use the built-in . Access current, historical, and forecasted weather data for any city in both temperature scales simultaneously.
For length, weight, speed, area, time, pressure, volume, power, fuel, temperature, data, and currency. Automatically or manually update currencies with 160 options. Enable multitasking on iPad for simultaneous conversions.
Determine properties with detailed data on common refrigerants. View fluid properties, safety groups, GWP, ODP, and oil type recommendations. Access additional information, links, and documents through the "More..." menu.