Calculate, measure, and test components
Calculate component values for desired corner frequency, resistance, capacitance, or inductance. Find combinations of resistors, capacitors, and inductors. View detailed calculations and formulas. Export results. Remove ads with PRO version.
Showing 101–120 of 1,000 ranked alternatives.
Dave Levy
Select and adjust display resolutions
AV Aid detects and displays available output resolutions when connected to a projector or monitor via VGA, HDMI, or Airplay. Users can select a resolution and generate color bars or test patterns.
Mohamed Saad
Calculate radius, length, and chord
Arc+ calculates radius, length, width, height, and tangent by inputting two known values. Converts between measurement units. Saves results to a favorites list and shares them with others.
Greg Hewgill
Calculate complex numbers and matrices
Perform complex number calculations and trigonometric functions. Handle matrix operations and numerical root finding. Calculate integrals and statistical values including linear regression. Write and execute custom programs. No ads or in- purchases.
THINKCAR INC
Test vehicle systems with advanced diagnostics
Diagnose vehicle issues with real-time data from the OBDII port. Scan and interpret trouble codes. Test engine performance, fuel system, and emissions. View live sensor data and system reports. Save and share diagnostic results.
SMART Technologies GmBH
Track vehicle diagnostics in real time
Connect to an OBDII device via WiFi to read vehicle diagnostic data. View real-time engine parameters, check trouble codes, and monitor sensor values. Save and export diagnostic reports.
Nuno Facha
Tune bands and check propagation
Real-time propagation data provides solar and geomagnetic insights for QSO planning. DX cluster viewer displays active DX spots. Calculate antenna lengths and tune dipoles. Check frequency bands and propagation conditions.
Gerhard Lentschik
Calculate resistance from color codes
Calculate resistance values for 4, 5, or 6 ring resistors by selecting color codes or entering resistance values. Determine colored rings based on resistance input. Support for SMD resistors and EIA value calculations.
Sparrow Development LLC
Study elements and track chemical properties
Learn with a dynamic periodic table, element details, and polyatomic ions. Explore acid strengths, electronegativity, and reactive series. Access definitions, molar mass calculations, and a unit converter. Quick access to YouTube channels.
Tom Kerrigan
Calculate with swipe gestures and large buttons
Perform calculations using reverse Polish notation. Swipe to undo or redo operations. Access a 100-entry stack and 6 memory buttons. View large, easy-to-read displays. Save state on exit. Supports scientific functions and multiple undo/redo levels.
Ramon Rivas
Convert with precision and speed
Convert across categories with a modern interface. Navigate using sidebar and tab bar. Create multiple windows and drag items to new screens. Share data and access context menus. Includes a quick start guide and light/dark modes.
Leszek Szary
Calculate hashes and copy results
Calculate hashes for any string using MD2, MD4, MD5, SHA1, SHA224, SHA256, SHA384, SHA512, Whirlpool, CRC32, or Adler32. Copy results to clipboard or email them. Encode or decode data with Base32 or Base64.
Arkadiusz Fryszkowski
Scan barcodes, select colors, calculate resistance
Calculate values using colors. Select bands for 4, 5, or 6 band resistors. Switch modes by swiping the screen. Display numerical value and tolerance.
Corntree tech Co.Ltd
Calculate, edit, and track numbers
Allows users to perform basic and scientific calculations. It supports arithmetic operations, square roots, percentages, and trigonometric functions. Users can edit expressions with a movable cursor and view calculation history.
Ratha Sou
Calculate, edit, and save equations
Perform basic and scientific calculations with equation display and history tracking. Switch between binary, octal, decimal, and hexadecimal modes. Calculate fractions directly. Use widget for quick computations.
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TranCreative Software
Convert units, calculate, and edit templates
Convert units and currencies across hundreds of categories with real-time exchange rates updated every 6 hours. Calculate mortgages, loans, tips, and fuel consumption. Edit, create, or download customizable templates for various conversions.
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