Electronics Tools & Calculator8 - App Store

Calculate, simulate, and understand electronic circuits with more than 60 calculators, interactive tools, and illustrated engineering references.

Electronics Tools & Calculator is an all-in-one toolkit for students, engineers, technicians, makers, and electronics enthusiasts. Use it to study circuit theory, select components, check designs, or troubleshoot projects with practical calculators and clear circuit visuals.

MORE THAN 60 ELECTRONICS CALCULATORS

Solve problems across a wide range of topics:

. Ohm’s law, voltage, current, resistance, and power
. Series and parallel resistors and capacitors
. Four-band, five-band, and SMD resistor codes
. Voltage and current dividers
. DC power and ripple voltage
. RC, RL, LC, and RLC circuits
. LED resistor and parallel LED calculations
. Capacitor and inductor charging
. Star-to-delta and delta-to-star conversions

ACTIVE AND PASSIVE FILTER DESIGN

Design and explore:

. RC, RL, and LC filters
. Butterworth and Chebyshev filters
. Active and passive filters
. Sallen-Key active filters
. Band-pass and band-reject filters
. Twin-T notch filters

Selected advanced calculators include response graphs, helping you visualize how component values affect circuit behavior.

AMPLIFIERS AND SEMICONDUCTORS

Work with practical tools for:

. 555 timer astable and monostable circuits
. BJT analysis, biasing, Q-point, and switching
. MOSFET switching
. Inverting, non-inverting, and difference amplifiers
. Class A, Class B, and Class AB amplifiers
. Differential amplifiers and current mirrors
. LM386 audio amplifier circuits

POWER, RF, AND DESIGN TOOLS

Explore calculations for:

. Linear regulators and heat dissipation
. Buck and boost converters
. Rectifiers and Zener regulators
. Clippers, clampers, and voltage multipliers
. PCB trace width
. Air-core and multilayer inductors
. Transformers
. Coaxial cables and waveguides
. Antenna length and skin depth
. dBm, watts, and decibel conversions
. Servo and stepper motors

DIGITAL ELECTRONICS

Study essential digital circuits with clear diagrams and truth tables:

. Logic gates
. Flip-flops and counters
. Multiplexers and demultiplexers
. Encoders and decoders
. Shift registers
. Common digital integrated circuits

INTERACTIVE CIRCUIT TOOLS

Explore circuit behavior through interactive simulations and strong visual explanations. Adjust values, examine circuit configurations, and connect formulas with practical electronic designs.

ILLUSTRATED ELECTRONICS REFERENCES

Access more than 30 guides covering resistors, capacitors, inductors, transformers, diodes, BJTs, MOSFETs, IGBTs, UJTs, SCRs, DIACs, TRIACs, operational amplifiers, regulators, 555 timers, sensors, digital logic, Arduino boards, and ATmega microcontrollers.

The guides combine explanations, equations, circuit diagrams, pinouts, truth tables, and practical notes to connect theory with real-world applications.

DESIGNED FOR FASTER WORK

. Search calculators by name
. Save frequently used tools to Favorites
. View response graphs in selected calculators
. Export results from selected tools as PDF documents
. Automatically switch between light and dark appearance
. Use an interface designed for phones and larger screens
. Choose from 15 supported languages
. Access additional features through optional Pro tools

Whether you are learning electronics, designing a filter, analyzing an amplifier, or checking values at the workbench, Electronics Tools & Calculator keeps useful tools and references close at hand.

Important: This app is intended for education and design assistance. Always verify calculations, component ratings, circuit requirements, and safety considerations before building or operating electronic equipment.

Version History few bugs fixed 8 Sep 14 This update adds powerful new electronics tools, simulations, and learning resources:
• Buck and Boost converter calculator
• Chebyshev filter calculator
• Servo and stepper motor calculators
• Parallel LED calculator
• Digital circuit simulations
• Sawtooth wave simulation
• MOSFET switch simulation
• H-bridge simulator
• New TRIAC, DIAC, and thermistor content
• Improved electronic component documentation

Explore circuits, calculate component values, and understand electronics more easily—all in one app. 7 Sep 6 Few bugs fixed, improved the UI 6 Aug 17 improved the user interface, added more calculators and simulators 5 Aug 4 improved the user interface, added more calculators and simulators 4 Jul 28 improved the user interface, added more calculators and simulators 3 Jul 22 Improved UI and fixed bugs for a smoother experience. 2 06/30/2025 improved the user interface added more features 1.9 05/27/2025 Improved the UI added more tools 1.8 08/20/2024 Added more languages 1.7 01/16/2023 Improved the UI 1.5 06/20/2022 Added dark theme support 1.4 01/29/2022 Improved the app 1.2 10/28/2021 reduced interstitial ads frequency 1.1 10/06/2021 1.0 08/22/2021