Operational Amplifiers Guide app for iPhone and iPad

This is an application for the design and calculation of electronic circuits using operational amplifiers.
The application contains the following guides and calculators:
Amplifiers
- Non-inverting operational amplifier
- Inverting operational amplifier
- Inverting amplifier with T-bridge in OS
- Differential amplifier
- Voltage repeater
Converters
- Voltage-to-current converter with non-inverting input
- Voltage to current converter with inverting input
- Voltage to current converter with differential input
Adders and substactors
- Inverting adder
- Addition-subtraction circuit
- Non-inverting adder
Attenuators
- Non-inverting attenuator
- Inverting attenuator
Active Filters
- First-order non-inverting low-pass filter
- First-order inverting low-pass filter
- Non-inverting high-pass filter
- Inverting high pass filter
- Gyrator
Integrators and differentiators
- Voltage integrator
- Sum integrator
- Difference integrator
- Double integrator
- Voltage differentiator
Logarithmic and exponential amplifiers
- Diode-based logarithmic amplifier
- Transistor-based logarithmic amplifier
- Diode exponential amplifier
- Exponential transistor amplifier
The app designed for light and dark theme.