  The purpose of this article is to find a family of curves parametrized by arc
length and that depend on an angular function and an intrinsic fraction
function, which is defined as the quotient between torsion and curvature. We
find for this family of curves explicit formulas of curvature, torsion and
geodetic curvature, in terms of the angular function and the intrinsic fraction
function. Applications are found for the case of the general helices and slant
helices.
