Educational Studies in Mathematics, Vol. 95, No. 2 (June 2017), pp. 181-202 (22 pages) Recent research suggests that children in elementary grades have some facility with variable and variable ...

Instant messaging is a fundamental feature of social networking apps. By sending messages in various forms such as text, voice, images, and videos, it meets users' needs for real-time communication.

Initial value problems for first order partial functional almost linear equations with unbounded delay are considered. The functional dependence is represented by the generalized Hale operator with ...

As of summer 2011, construction spending remains low despite stimulus packages designed to create an upsurge in depressed housing markets. According to a January 2011 report by the U.S. Geological ...