Op-amp & transistor amplifiers
- Inverting and non-inverting op-amps
- Differential amplifiers
- Transistor amplifiers
- Q-point visualization
ELECTRONICS CALCULATOR APP
Electronics Tools
& Calculator
Circuit calculations.
Component knowledge.
An electronics calculator app for engineers, students, and makers. Work with amplifiers, filters, components, and circuit design tools in one place.
Get the app for your device
iOS · Android · Windows
ONE APP. YOUR WHOLE WORKBENCH.
CalculateReferenceExplore
A look inside Electronics Tools & Calculator
A LOOK INSIDE THE APP
See the app’s calculators in action
Filters, amplifiers, audio, and digital electronics. Explore the screens below.
Butterworth LC filter
Component values, circuit topology, and frequency response in one view.
Chebyshev LC filter
Set the order, cutoff, impedance, and ripple to explore your filter.
Inverting op-amp
Solve circuit values with a labeled schematic, gain, and output results.
Passive crossover
Explore crossover alignments, component values, and frequency response.
74LS147 priority encoder
Get an introduction to the device with a logic diagram and pin reference.
5 app screenshotsSwipe to explore · Select a screen to enlarge
WHAT THE APP COVERS
Electronics calculators & circuit design tools
Find the tool for the circuit in front of you.
Filter design
- Butterworth, Chebyshev and Bessel filters
- Sallen-Key active filters
- Low-pass and high-pass filters
- Band-pass and band-stop filters
- Passive crossovers
Electrical & circuit calculations
- Ohm’s law: voltage, current, resistance, power
- Voltage dividers and resistor ratios
- Y–Δ and Δ–Y conversion
- LED series resistors
Resistors, capacitors & RLC circuits
- Series and parallel resistors
- Series and parallel capacitors
- Capacitor charging
- Capacitive and inductive reactance
- Series RLC resonance
555 timers & circuit design
- 555 astable and monostable timers
- PCB trace width
- Pi, T and bridged-T attenuators
- Adjustable voltage regulators
Component codes & references
- Resistor color codes
- SMD resistor lookup
- Capacitors, diodes, inductors and chokes
- BJT and MOSFET transistors
- Op-amps and 555 timer ICs
Digital ICs & microcontrollers
- Encoders and decoders
- Multiplexers and demultiplexers
- Shift registers and counters
- ATmega328 and Arduino Uno
BEYOND THE NUMBERS
A circuit library for your next build
Explore illustrated introductions to amplifiers, voltage clippers, current mirrors, multipliers, notch filters, and comparators. Keep the diagram beside the idea as you learn.
About the app
What is Electronics Tools & Calculator?
It is an electronics app by Anas Abubakar with calculators, electronic component references, and a circuit library.
Which devices can I download it for?
Use the App Store link for iOS, Google Play for Android, or Microsoft Store for Windows. Check the relevant store listing for compatibility, current availability, and pricing.
Where do I find the app’s tools?
Browse the Calculators tab for calculations, Info for component references, and Circuits for the circuit library.
Your next circuit starts here.
Get Electronics Tools & Calculator for your device.