Electronic Circuits Calc Pro

The app is an excellent reference for electronic engineers. It is useful for both beginners and experienced electronics hobbyists. The app contains more than 130 manuals and calculators covering various areas of electronics.
The Pro version features a favourites option, allowing users to save selected topics for easy access. Additionally, the application supports a full-text search function.
The app’s content is available in the following languages: English, French, German, Indonesian, Italian, Polish, Portuguese, Russian, Spanish, Turkish, and Ukrainian.
This program includes the following calculators and guides:
Basic calculators
-Ohm's law
-Power, voltage and current
-Resistive voltage divider
-Wheatstone Bridge
-RC circuit time constant
-Battery life
-Additional resistor for voltmeter
-Shunt resistor for ammeter.
Resistors
-Resistor color codes
-SMD resistor codes
-EIA-96 encoding
-Selection of standard resistor values
-Series connection of resistors
-Parallel connection of resistors
-E-series
Capacitors
-Ceramic disc capacitor codes
-Film capacitor codes
-Capacitor operating voltage codes
-Color codes of film capacitors
-SMD capacitor codes
-Series connection of capacitors
-Parallel connection of capacitors
Inductors
-Inductor color codes
-SMD inductor codes
-Parallel connection of inductors
Diodes
-Diodes
-Rectifier diodes
-Signal diodes
-Schottky diodes
-Tunnel diodes
-Varicaps
-Zener diodes
Transistors
-Bipolar transistors
-MOSFETs
-JFET transistors
-Unijunction transistors
-Bipolar transistors with insulated gate.
-Darlington transistor pair
Thyristors
-Thyristors
-Lockable thyristors
-IGCT thyristors
-MOS-controlled thyristors
Power supplies
-AC parameters
-Half-wave rectifier
-Full-wave rectifier
-Bridge rectifier
-Quenching capacitor
-Internal resistance of the power supply
-Symmetrical voltage doubling rectifier circuit
-Three-phase half-wave rectifier
-Three-phase bridge rectifier
-Voltage multiplier
Voltage and current regulators
-Voltage regulator on LM317
-Bipolar voltage regulator for LM317 and LM337
-Current source on LM317
-Zener diode reference voltage source
-Temperature compensated reference voltage source
-TL431 regulator
-TL431 regulator with additional transistor
Light Emitting Diodes
-Resistor for one LED
-Resistor for serial connection of LEDs
-Resistor for parallel connection of LEDs
-7 segment LED display
-Decoder for 7-segment displays CD4511
Photocells
-Photodiodes
-Photoresistors
-Phototransistors
-Optocouplers
Operational amplifiers
-Gain of non-inverting op-amp
-Gain of inverting op-amp
-Inverting op-amp with T-bridge in feedback.
-Inverting summing op-amp
-Differential op-amp
-Voltage integrator
-Voltage differentiator
-Voltage comparator
High frequency circuits
-Capacitor reactance
-Inductor reactance
-Convert gain to decibels
-Convert dBm to watts
-T-Attenuator
-Pi attenuator
-L-Attenuator
-Bridge T-attenuator
-Capacitive AC voltage divider
-Inductive voltage divider
-Frequency and wavelengths
Filters
-RC low-pass filter
-RC high-pass filter
-RC bandpass filter
-RL low-pass filter
-RL high-pass filter
-LC low-pass filter
-LC high-pass filter
Multivibrators
-Self-oscillating Multivibrator
-Monostable multivibrator
-Bistable multivibrator
-Multivibrator with diodes
555 Timer
-Astable mode
-Monostable mode
-Bistable mode
-Schmitt trigger
-Connecting LEDs
-Light detector
-Relay control
Logics
-AND logic gate
-OR logic gate
-NOT logic gate
-NAND logic gate
-NOR logic gate
-XOR logic gate
-XNOR logic gate,
-Combination circuits
-Transistor-transistor logic
-Complementary metal-oxide-semiconductor
-Open Collector TTL Logic Gates
The content of the application is updated and supplemented with the release of each new version.