| 483 | -- | 490 | Colin Adams, Allison Henrich, Kate Kearney, Nicholas Scoville. Knots Related by Knotoids |
| 491 | -- | 504 | Ronaldo Garcia. Elliptic Billiards and Ellipses Associated to the 3-Periodic Orbits |
| 505 | -- | 518 | Tiffany Kolba, Anthony Coniglio, Sarah Sparks, Daniel Weithers. Noise-Induced Stabilization of Perturbed Hamiltonian Systems |
| 519 | -- | 526 | José Hernández Santiago. The Group-Theoretic Analog of Kuratowski's Closure-Complement Theorem |
| 527 | -- | 540 | Jennifer Brooks. An Interesting Family of Symmetric Polynomials |
| 541 | -- | 546 | Judy A. Holdener, Emily Rachfal. Perfect and Deficient Perfect Numbers |
| 546 | -- | 0 | David Treeby. Relativity |
| 547 | -- | 552 | Krzysztof Chris Ciesielski, M. E. Martínez-Gómez, Juan B. Seoane-Sepúlveda. "Big" Continuous Restrictions of Arbitrary Functions |
| 553 | -- | 558 | Jonathan M. Fraser. Almost Arithmetic Progressions in the Primes and Other Large Sets |
| 559 | -- | 560 | Hunter Swan. Nonnegative Eigenvectors of Symmetric Matrices |
| 561 | -- | 0 | Jacques Gélinas, Alexander G. Smirnov. Integral Representation for Derivatives of cos( x ) |
| 562 | -- | 570 | Gerald A. Edgar, Daniel H. Ullman, Douglas B. West. Problems and Solutions |
| 571 | -- | 576 | Dominic Lanphier. Reviews |