El-Mongy, . S. A. “Novel Arithmetic Equations for Mass Energy Equivalence, Newton’s Rings Radius, Wavelength and Speed of Light, Fine Structure Constant and Ideal Gas Law Correlated With Eπ Based on Sayed’s Theorem”. *JOURNAL OF ADVANCES IN PHYSICS*, vol. 20, Mar. 2022, pp. 48-52, doi:10.24297/jap.v20i.9214.