Learning Math Skills STEFAN ROBERT How to Derive Physics Equations1 How to Determine the Atomic Radius of Oxygen in Meters2 How to Find the X of a Geometric Sequence3 How to Find the Median of a Histogram4 How to Determine Common & Uncommon Multiples5 About the Author Stefan Robert is an expert in computers, with two degrees in both Computer Science and Applied Mathematics from the New Jersey Institute of Technology. ×