1)   Electroguide 2.0
Mathematics formulas with ANNEXE / TABLE and CHART,Tension , Resistance, Current, Power, Capacitive and inductive reactance ,Series and Parallel inductance , constants RL, Wavelenght, Period,Converter, Series circuits RL - RC - RLC and more..
resistance, coil, capacitance, reactance, electronic, power, current, voltage, tension,

 2)   RF ToolBox 3.2.0
Takes you step by step through the design of these antennas: Dipole Fat Dipole Yagi J-Pole Super J-Pole Log Periodic Cubic Quad Vertical Helical. Also performs various transmission line and network calculations.
radio, amateur, antenna, dipole, yagi, vertical, cubic, quad, log, periodic,

 3)   RF ToolBox 3.2.0
Takes you step by step through the design of these antennas: Dipole Fat Dipole Yagi J-Pole Super J-Pole Log Periodic Cubic Quad Vertical Helical. Also performs various transmission line and network calculations.
radio, amateur, antenna, dipole, yagi, vertical, cubic, quad, log, periodic,