Amazing engineers tools 4+

Design, draw, simulate, solve and simplify logic gates
Simplify boolean algebra (SOP, POS, truthtable)
Perform forward engineering (boolean expression to ladder logic circuit diagram) and reverse engineering (ladder logic circuit diagram to boolean expression)
Solve waveforms to generate boolean expression and truthtable
Grey code design tool
Learn boolean theorem and more

Design and draw entity relationship (ER) diagrams and generate SQL script
Easy to draw ER diagram, add tables, add columns, add relationships (drag and drop)
Learn sql syntax and more

Design, draw, simulate, solve and simplify circuit networks for resistor, capacitor, inductors
Step by step simplification process by keeping the historical networks to easily go back and verify each step
Perform source conversion between voltage and current sources
Perform delta wye conversion for R, L, C components
Design your own resistor (3,4,5 or 6 band resistor) or find the value for existing resistor
Learn important circuit formulae and more

Interactive, high quality, customisable periodic table
Periodic table presented in many attractive and informative ways
Visually appealing electron distribution diagram, Lewis dot diagram