Rf &Microwave Toolbox lite.

This version includes the following tools;

1) PI and T attenuator
2) Reflectometer
3) Mismatch error limits
4) lcr series calculator
5) capacitor impedance calculator
6) lowpass filter calculator

The pro version also include the following tools;

Microstrip,Stripline, Coplanar waveguide
Power and voltage converter
Field intensity and power density converter
R,L and C impedance
Ohms law
radar equation, 2-way Path Loss
NF calculator
Radio equation, 1-way Path Loss
Noise floor Calculator
Skin depth Calculator
Low pass, High pass and Band pass Band stop Calculator
Peak to RMS Calculator
EMC Calculator

Screenshots: