Angle -TizzyT

    public struct Angle
    {
        internal const decimal SCALAR = 100000000000000000000000000m;
        internal const decimal BASE = 36000000000000000000000000000m;
        internal readonly decimal _numerator;
        private Angle(decimal numerator)
        {
            if (numerator % 1 > 0) throw new Exception("Precision exceeded the capabilities of Angle."); ;
            _numerator = numerator < 0 ? ((numerator + 1) % BASE + BASE - 1) : numerator % BASE;
        }
        public static implicit operator Angle(decimal degrees) =>
            new Angle(degrees * SCALAR);
        public static Angle operator +(Angle angle1, Angle angle2) =>
            new Angle(angle1._numerator + angle2._numerator);
        public static Angle operator -(Angle angle1, Angle angle2) =>
            new Angle(angle1._numerator - angle2._numerator);
        public override string ToString() =>
            (_numerator / SCALAR).ToString();
    }
    public static class AngleEx
    {
        private const decimal PI = 3.1415926535897932384626433832m;
        public static decimal Radians(this Angle @this) =>
            @this._numerator / Angle.SCALAR * PI / 180m;
        public static decimal Degrees(this Angle @this) =>
            @this._numerator / Angle.SCALAR;
    }