The viral math problem has X users stumped - but the answer comes in lessons learned in fifth or sixth grade.

International Consolidated Airlines posts 69.9% EPS growth, gains from fuel cost drop, with stable yet complex finances. Find ...

Abstract: Staircase approximation in the simulation of the arbitrarily irregular surface will cause artificial interference of wavefield. The body-fit coordinate transformation can accurately simulate ...

Abstract: It is obtained approximate analytical solution of Cauchy problem for the system of autonomous quadraticallycubic differential equations in the form of first three terms of Volterra series.