Math: Elementary Arithmetic | Fractions | Euclidean Division | Binomial Theorem | Rule of Three | Inverse Rule of Three | Quadratic Formula | GCD | LCM | Divisors | Common Divisors | Multiples | Linear Equation | Polynomial | Exponentiation | Logarithm Base Conversion | Exponential Growth | Complex Numbers | Argument | Trigonometry | Opposite Side of an Angle | Dynamic Range | Absolute Value of a Vector | Increase in Circumference

Physics: Force | Weight | Work | Power | Pressure | Density | Specific Weight | Velocity | Velocity Units | Speed of Light | Angular Velocity | Momentum | Acceleration by Time | Acceleration by Distance | Free Fall | Throw | Rolling | Jerk | Electric Power | Electric Resistance | Energy in kWh | Charge | Capacity, Capacitance | Inductance | Parallel Connection | Kinetic Energy | Energy Density | Impact | Torque | Law of the Lever | Inclined Plane | Drag Coefficient | Magnetic Flux Density | Decibel | Sound Pressure | Wavelength | Decay | Special Relativity

function gcd(m,n)
{
    if (n==0)
        return m;
    else
        return gcd(n, m%n);
}