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.. 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. 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.