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---|---|---|---|

The Circle Problem of Gauss and the Divisor Problem of Dirichlet—Still Unsolved | Bruce C. Berndt, Sun Kim, Alexandru Zaharescu | 125 | 2 (2018) |

Partnership, Partition, and Proof: The Path to the Hardy–Ramanujan Partition Formula | Adrian Rice | 125 | 1 (2018) |

Cauchy’s Residue Sore Thumb | Harold P. Boas | 125 | 1 (2018) |

A New Extension of the Riemann Integral | C. Bryan Dawson | 125 | 2 (2018) |

Multiplying and Factoring Matrices | Gilbert Strang | 125 | 3 (2018) |

The Harmonic Series Diverges | Ángel Plaza | 125 | 3 (2018) |

is Not 1.41421356237 or Anything of the Sort | Eli Leher | 125 | 4 (2018) |

An Interesting Construction Problem | Russell A. Gordon, José Carlos Santos | 125 | 3 (2018) |

Pascal Functions | Michael Maltenfort | 125 | 2 (2018) |

The Continuous Binomial Coefficient: An Elementary Approach | David Salwinski | 125 | 3 (2018) |

Article | Author | Vol. | Iss. |
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The Early (and Peculiar) History of the Möbius Function | William Dunham | 91 | 2 (2018) |

Distinguishing the Plane from the Punctured Plane Without Homotopy | Frédéric Mynard | 91 | 1 (2018) |

Proof Without Words: On Sums of Squares and Triangles | Andrzej Piotrowski | 91 | 1 (2018) |

A Functional Equation View of an Addition Rule | Mihály Bessenyei, Gréta Szabó | 91 | 1 (2018) |

Some Taylor Series without Taylor's Theorem | Mark Dalthorp | 91 | 2 (2018) |

Of Puzzles and Partitions: Introducing Partiti | Andrés Eduardo Caicedo, Brittany Shelton | 91 | 1 (2018) |

The Reciprocal Fibonacci Function | Michael Lord | 91 | 2 (2018) |

An Appreciation of the First Book of Spherics | R. S. D. Thomas | 91 | 1 (2018) |

Darboux Sums and the Sum of the Alternating Harmonic Series | Francisco Sánchez, José María Sanchis | 91 | 2 (2018) |

Staircase Series | Tom Edgar | 91 | 2 (2018) |

## The College Mathematics Journal Most Read

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The Calculus Behind Generic Drug Equivalence | Stanley R. Huddy, Michael A. Jones | 49 | 1 (2018) |

Euler's Sine Product Formula: An Elementary Proof | David Salwinski | 49 | 2 (2018) |

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Proof Without Words: A Sum Computed by Self-Similarity | Yukio Kobayashi | 49 | 1 (2018) |

Five Families Around a Well: A New Look at an Old Problem | Ezra Brown, Matthew Crawford | 49 | 3 (2018) |

Triple Integrals for the Sketching-Impaired | Wm. Douglas Withers | 49 | 1 (2018) |

Factoring Numbers with Conway’s 150 Method | Arthur T. Benjamin | 49 | 2 (2018) |

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Is a Taylor Series also a generalized Fourier Series? | Wojciech Kossek | 49 | 1 (2018) |

A Fourth Century Theorem for Twenty-First Century Calculus | Andrew Leahy | 49 | 2 (2018) |

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Abstracting the Rubik’s Cube | Roice Nelson | 25 | 4 (2018) |

Challenging Knight’s Tours | Arthur T. Benjamin, Sam K. Miller | 25 | 3 (2018) |

Albrecht Dürer’s Celestial Geometry | Stephen Luecking | 25 | 3 (2018) |

Mathematical Potpourri | Sid Kolpas, Stu Ockman | 25 | 3 (2018) |

Exploring Real Data A Look at Airbnb | Amanda Francis, Eric Sullivan | 25 | 3 (2018) |

Prime Sum and Difference Sudoku | David Nacin | 25 | 4 (2018) |

The Goldilocks of Number Systems | Brian J. Shelburne | 25 | 4 (2018) |

The Playground | Gary Gordon, Glen Whitney | 25 | 4 (2018) |

MathCap History | Janet Mowat | 25 | 4 (2018) |

Playing with Blocks | Matthew McMullen | 25 | 4 (2018) |