atan2(0..360) by Small Satellites

Function calculates the arc tangent of y/x and places the result in range of [0..360] (math, atan2, tan)

atan2d(y,x)

tritrig by 123456

Tells you the unknown angles and length of a triangle by using the given information about it (triangle, sin, cos)

dd=tritrig(a,b,c,A,B,C)