[8661] The distribution of the first digit in polynomials with positive integer coefficients

[8662] On the Minimum Number of Convex Quadrilaterals in Point Sets of Given Numbers of Points

[8663] From the Hinge Device to Curves of Linkages

[8664] A Proof on the Non-differentiability of Weierstrass Function in An Uncountable Dense Set

[8665] A research on the theory of residue of higher degree