Welcome to the EE Tool Box
The place to go for many of the tools an Electrical Engineer would need





















Reference Tools for EEs






    Scientific Calculators

    Financial Calculators

    Binary, Octal, Decimal & Hex Calculators

    Eigenvalues/Eigenvectors Calculator

    Quadratic Equation Solver

    Solve Math Problems with instant step

       by step solution.




 Math Equations & Formulas
(from Paul Dawkins at Larmar University)


    Algebra Formulas

    Geometry Formulas (GruntWare)

    Trigonometry Formulas

    Calculus Formulas

    Derivatives and Integrals Formulas

    Laplace Transforms




 Resistor Color Codes


    4 Color Bands

    5 Color Bands








Development Tools for EEs




 Schematic and Diagramming


    EasyEDA (EasyEDA.com)

    CircuitLab (circuitlab.com)




 Spice Simulators


    EasyEDA (EasyEDA.com)

    CircuitLab (circuitlab.com)

    5Spice (5spice.com)




 PCB Layout


    EasyEDA (EasyEDA.com)

    DesignSpark PCB (designspark.com)

    SnapEDA (SnapEDA.com)