[8641] The distribution of the first digit in polynomials with positive integer coefficients

[8642] On the Minimum Number of Convex Quadrilaterals in Point Sets of Given Numbers of Points

[8643] From the Hinge Device to Curves of Linkages

[8644] A Proof on the Non-differentiability of Weierstrass Function in An Uncountable Dense Set

[8645] A research on the theory of residue of higher degree