ElectroCalc Pro is an app designed for electronics engineers/hobbyist and also electronics and telecommunication engineering students.
The app contains calculators for electronics and telecommunication engineering application and also for do it yourself electronics projects. There are many RF tools in the app.

The calculators included in the app are:

• Resistor color code.
• Air core inductor design.
• Coaxial cable impedance, capacitance calculator.
• 2 Parallel wire cable impedance, capacitance calculator.
• Parabolic antenna calculator.
• Cylindrical & Rectangular wave guide calculator.
• Microstrip calculator.
• Bipolar junction transistor amplifier quiescent point calculator and graphing.
• RC filter tool.
• LR filter tool.
• Total impedance of series capacitor, inductor and resistor in series calculator.
• Voltage divider calculator.
• Current divider calculator.
• 555 Astable multi vibrator duty cycle, frequency and components calculator.
• 555 timer pulse duration calculator.
• Transformer design tools.
• Ceramic and polyester capacitor code calculator.
• Butter passive filter design tools.
• Operational amplifier design tools( Difference amplifier, Inverting amplifier and non inverting amplifier).
• Bipolar junction transistor analysis.
• Capacitive reactance calculator.
• Inductive reactance calculator.
• Δ -> Y network transformation.
• Y -> Δ network transformation.
• LED series resistor calculator.
• Toroidal inductor design tool.
• Parallel resistor, capacitor and inductor.
• Zener diode voltage regulator calculator.
• Series and parallel resistor calculator.
• Series and parallel capacitor calculator.
• Charging and discharging a capacitor.
• Charging and discharging an inductor.
• AC power tool.
• DC power tool.
• Wheatstone bridge calculator.
• Surface mounded capacitor code calculator.
• Single and double pole Sallen - Key filter.
• Decibel converter.
• Resistivity calculator.
• PCB trace width calculator.
• Cross over calculator.
• Multi layered air core inductor design tool.
• Band pass filter design calculator.
• Notch filter design calculator.
• Pi attenuator design calculator.
• T attenuator design calculator.
• Bridge T attenuator design calculator.
• Adjustable voltage regulator calculator.