*68%*:**Ordinary Differential Equations (Draft)***43%*:**Visual Differential Equation Solver Applet***41%*:**Ikeda Delay Differential Equation Model***38%*:**The effect of introducing computers into an introductory physics problem-solving laboratory***37%*:**Electronic Journal of Qualitative Theory of Differential Equations***35%*:**Using PLATO to Teach Problem Solving***35%*:**OSP User's Guide Examples***35%*:**Student Understanding of Differentials in Introductory Physics***35%*:**Computer problem-solving coaches for introductory physics: Design and usability studies***32%*:**Open Source and Open Access Resources for Quantum Physics Education***32%*:**Adapting a theoretical framework for characterizing students' use of equations in physics problem solving***30%*:**EjsS Manual Ch 02: Exploring Java EjsS***30%*:**EJS and Java Concepts***30%*:**Getting Started with Tracker Tutorial***30%*:**Computation and Problem Solving in Undergraduate Physics***29%*:**Diffusion Equation Analytic Solution Model***28%*:**Computation and Problem Solving in Undergraduate Physics***28%*:**Taste of Technology: Blogs, Wikis, Forums, Digital Librariesâ€¦Cafes, Web Seminars, Social Networks, Twitter***28%*:**Sharing Video Experiments with Tracker Digital Libraries**