The app calculates resistor values for various attenuator networks including Tee, Pi, H, O, and Minimum Loss Pad. It adjusts resistor values to match standard tolerance values.
by Black Cat Systems★ 3.02 ratingsReference$2.99Data updated 2026-09-10
Calculate power levels in dBm and watt with addition and subtraction. Convert between dBm, dBW, mW, W, mV, V, dBV, dBµV, and dBu. Adjust for impedance. Perform voltage calculations for correlated and uncorrelated values.
Calculates air density, relative humidity, and air pressure automatically. Displays geographic position, temperature, dewpoint, elevation, and barometric pressure. Supports airport and manual input modes.
Calculate values using voltage, current, resistance, and power formulas. Access single and three phase calculators, horsepower tools, and unit converters. Unlock additional features with an in- purchase.
Offers basic, scientific, and programmer modes with history views. Users can share results via email or copy-paste values between apps. The supports iPhone, iPad, and iPod Touch devices.
Electrohelper allows users to access references for electronic components and circuits. It includes tools for calculating various filters like Butterworth, Sallen-Key, Chebychev, and Bessel. Users can view component details and circuit diagrams.
Track various counts and values with customizable . Set and increment values using large buttons. Define steps for incremental changes. Monitor progress for goals like savings, habits, or event countdowns. Sync data across devices.
Access code updates for 2023 NEC and NEMA standards. View table changes, formulas, and conduit bending guides with video tutorials. Calculate ampacity and conduit fill. Include transformer data and wiring configurations.
Find vehicle fair market values using transactional data. Enter vehicle details to estimate selling price or trade-in value. Compare similar in your area. Research vehicle prices and shop for .
Measure sound levels using the built-in microphone. Display decibels in dBA with a digital readout. Show minimum, average, and maximum values. Visualize sound levels with a graph line.
Access electrical codes and standards for residential, commercial, and industrial applications. Search for wiring diagrams, safety protocols, and equipment specifications. View detailed explanations of electrical systems and components.
Get daily readings for 12 zodiac signs. View compatibility reports and numerology insights. Receive daily updates and advice tailored to your sign. Track personal growth and relationships through astrology-based guidance.
Measures environmental noise and displays decibel values in real time. Shows current noise reference and min/avg/max dB levels. Displays dB as a gauge and graph line. Saves measured records for later review.
Calculate coffee bean weight and water volume based on desired strength and total brew amount. Adjust values in real time to see impact on final ratio. Export and edit brew parameters for future reference.
Calculate time values by adding, subtracting, and multiplying and . Input time values directly without converting to decimals. Display results in and format.