Moore, Matthew N. An elementary treatment of the Lambert-W relation. (English) Zbl 07692631 Coll. Math. J. 54, No. 2, 130-138 (2023). MSC: 97I20 33B10 PDFBibTeX XMLCite \textit{M. N. Moore}, Coll. Math. J. 54, No. 2, 130--138 (2023; Zbl 07692631) Full Text: DOI
Stewart, Seán M. On that most over skinned of improper integrals. (English) Zbl 1521.97021 Coll. Math. J. 54, No. 2, 123-129 (2023). MSC: 97I50 26A06 26A42 33B15 PDFBibTeX XMLCite \textit{S. M. Stewart}, Coll. Math. J. 54, No. 2, 123--129 (2023; Zbl 1521.97021) Full Text: DOI
Richmond, Tom; Sword, Mia An arithmetic triangle arising from a one-way street grid. (English) Zbl 1521.97026 Coll. Math. J. 54, No. 2, 113-122 (2023). MSC: 97K20 05A10 11B65 PDFBibTeX XMLCite \textit{T. Richmond} and \textit{M. Sword}, Coll. Math. J. 54, No. 2, 113--122 (2023; Zbl 1521.97026) Full Text: DOI
Boulet, Romain Solving linear systems with column reduction. (English) Zbl 1521.97016 Coll. Math. J. 54, No. 2, 104-112 (2023). MSC: 97H60 15A06 PDFBibTeX XMLCite \textit{R. Boulet}, Coll. Math. J. 54, No. 2, 104--112 (2023; Zbl 1521.97016) Full Text: DOI
Gaeta, Michele; Vincenzi, Giovanni Examples of pairs of ordered congruent-like \(n\)-gons with different areas. (English) Zbl 1521.97006 Coll. Math. J. 54, No. 2, 99-103 (2023). MSC: 97G40 51M04 PDFBibTeX XMLCite \textit{M. Gaeta} and \textit{G. Vincenzi}, Coll. Math. J. 54, No. 2, 99--103 (2023; Zbl 1521.97006) Full Text: DOI arXiv
D’Alessio, Serge Solutions of the van der Pol equation. (English) Zbl 1521.97024 Coll. Math. J. 54, No. 2, 90-98 (2023). MSC: 97I70 34B30 PDFBibTeX XMLCite \textit{S. D'Alessio}, Coll. Math. J. 54, No. 2, 90--98 (2023; Zbl 1521.97024) Full Text: DOI
Rojas, Ricardo E. When triangles are similar. (English) Zbl 1521.97008 Coll. Math. J. 54, No. 1, 68-69 (2023). MSC: 97G40 97G60 51M04 PDFBibTeX XMLCite \textit{R. E. Rojas}, Coll. Math. J. 54, No. 1, 68--69 (2023; Zbl 1521.97008) Full Text: DOI
Weyenberg, Grady Do dogs know calculus with early transcendentals? (English) Zbl 1521.97020 Coll. Math. J. 54, No. 1, 64-67 (2023). MSC: 97I40 26A06 PDFBibTeX XMLCite \textit{G. Weyenberg}, Coll. Math. J. 54, No. 1, 64--67 (2023; Zbl 1521.97020) Full Text: DOI
Caglayan, Günhan Covering a star number with pentagonal numbers. (English) Zbl 1521.97001 Coll. Math. J. 54, No. 1, 63 (2023). MSC: 97F60 11B83 PDFBibTeX XMLCite \textit{G. Caglayan}, Coll. Math. J. 54, No. 1, 63 (2023; Zbl 1521.97001) Full Text: DOI
Wu, Rex H. Proof without words: a geometric series through the dissection of regular hexagons. (English) Zbl 1521.97018 Coll. Math. J. 54, No. 1, 62 (2023). MSC: 97I30 40A05 PDFBibTeX XMLCite \textit{R. H. Wu}, Coll. Math. J. 54, No. 1, 62 (2023; Zbl 1521.97018) Full Text: DOI
Missa, Abdel An intuitive method to solve quadratic equations. (English) Zbl 1521.97014 Coll. Math. J. 54, No. 1, 54-61 (2023). MSC: 97H30 12D10 PDFBibTeX XMLCite \textit{A. Missa}, Coll. Math. J. 54, No. 1, 54--61 (2023; Zbl 1521.97014) Full Text: DOI
Ennis, Christopher; Shier, John Disjoint placement probability of line segments via geometry. (English) Zbl 1521.97012 Coll. Math. J. 54, No. 1, 44-53 (2023). MSC: 97G70 97K50 52C17 60D05 PDFBibTeX XMLCite \textit{C. Ennis} and \textit{J. Shier}, Coll. Math. J. 54, No. 1, 44--53 (2023; Zbl 1521.97012) Full Text: DOI
Fulghesu, Damiano; Sellers, James A.; Taylor, Courtney K. Infinite families of infinite series with integer sums. (English) Zbl 1521.97017 Coll. Math. J. 54, No. 1, 33-43 (2023). MSC: 97I30 40A05 11B83 PDFBibTeX XMLCite \textit{D. Fulghesu} et al., Coll. Math. J. 54, No. 1, 33--43 (2023; Zbl 1521.97017) Full Text: DOI
McCune, David A simple algorithm for drawing apportionment diagrams. (English) Zbl 1521.97030 Coll. Math. J. 54, No. 1, 22-32 (2023). MSC: 97M99 91B32 91F10 PDFBibTeX XMLCite \textit{D. McCune}, Coll. Math. J. 54, No. 1, 22--32 (2023; Zbl 1521.97030) Full Text: DOI
Treeby, David; Ross, Marty A curious property of tangents. (English) Zbl 1521.97019 Coll. Math. J. 54, No. 1, 11-14 (2023). MSC: 97I40 97I20 26A06 26A51 PDFBibTeX XMLCite \textit{D. Treeby} and \textit{M. Ross}, Coll. Math. J. 54, No. 1, 11--14 (2023; Zbl 1521.97019) Full Text: DOI
Thomson, Brian S. A note on teaching the Riemann integral. (English) Zbl 1521.97022 Coll. Math. J. 54, No. 1, 3-10 (2023). MSC: 97I50 26A42 PDFBibTeX XMLCite \textit{B. S. Thomson}, Coll. Math. J. 54, No. 1, 3--10 (2023; Zbl 1521.97022) Full Text: DOI
Balsam, Jonathan Proof without words: Lagrange’s trigonometric identity. (English) Zbl 1521.97011 Coll. Math. J. 53, No. 5, 399 (2022). MSC: 97G60 51N20 PDFBibTeX XMLCite \textit{J. Balsam}, Coll. Math. J. 53, No. 5, 399 (2022; Zbl 1521.97011) Full Text: DOI
Chen, William Y. C. Cubic equations through the looking glass of Sylvester. (English) Zbl 1521.97013 Coll. Math. J. 53, No. 5, 396-398 (2022). MSC: 97H30 12D10 PDFBibTeX XMLCite \textit{W. Y. C. Chen}, Coll. Math. J. 53, No. 5, 396--398 (2022; Zbl 1521.97013) Full Text: DOI arXiv
Malinovsky, Yaakov A short probabilistic proof of a binomial identity. (English) Zbl 1521.97027 Coll. Math. J. 53, No. 5, 394-395 (2022). MSC: 97K50 60C05 PDFBibTeX XMLCite \textit{Y. Malinovsky}, Coll. Math. J. 53, No. 5, 394--395 (2022; Zbl 1521.97027) Full Text: DOI
Aebi, Christian; Cairns, Grant A vector identity for quadrilaterals. (English) Zbl 1521.97005 Coll. Math. J. 53, No. 5, 392-393 (2022). MSC: 97G40 51M04 PDFBibTeX XMLCite \textit{C. Aebi} and \textit{G. Cairns}, Coll. Math. J. 53, No. 5, 392--393 (2022; Zbl 1521.97005) Full Text: DOI arXiv
Swenson, Dan A statistics-related approach to the legislative apportionment problem… and also, a second one. (English) Zbl 1521.97031 Coll. Math. J. 53, No. 5, 382-391 (2022). MSC: 97M99 91B32 91F10 PDFBibTeX XMLCite \textit{D. Swenson}, Coll. Math. J. 53, No. 5, 382--391 (2022; Zbl 1521.97031) Full Text: DOI
Schmitz, Michael; Streicher, André Envelopes are solving machines for quadratics and cubics and certain polynomials of arbitrary degree. (English) Zbl 1521.97015 Coll. Math. J. 53, No. 5, 372-381 (2022). MSC: 97H40 97G70 12D10 51N20 PDFBibTeX XMLCite \textit{M. Schmitz} and \textit{A. Streicher}, Coll. Math. J. 53, No. 5, 372--381 (2022; Zbl 1521.97015) Full Text: DOI arXiv
Bell, Lindsey; Hill, Paul An investigation of metropolitan crime distribution. (English) Zbl 1521.97029 Coll. Math. J. 53, No. 5, 364-371 (2022). MSC: 97M70 62P25 PDFBibTeX XMLCite \textit{L. Bell} and \textit{P. Hill}, Coll. Math. J. 53, No. 5, 364--371 (2022; Zbl 1521.97029) Full Text: DOI
Johnson, Jeremiah W. A Diophantine equation with an elementary solution. (English) Zbl 1521.97004 Coll. Math. J. 53, No. 5, 361-363 (2022). MSC: 97F60 11D68 PDFBibTeX XMLCite \textit{J. W. Johnson}, Coll. Math. J. 53, No. 5, 361--363 (2022; Zbl 1521.97004) Full Text: DOI
Norman, Sandy; Prasad, Priya V. Variations on a theorem of Varignon. (English) Zbl 1521.97007 Coll. Math. J. 53, No. 5, 351-360 (2022). MSC: 97G40 51M04 PDFBibTeX XMLCite \textit{S. Norman} and \textit{P. V. Prasad}, Coll. Math. J. 53, No. 5, 351--360 (2022; Zbl 1521.97007) Full Text: DOI
Hale, Cameron G.; Kelleher, Jonathan R.; Mayer, John C. Multiplicity of hexagon numbers. (English) Zbl 1521.97003 Coll. Math. J. 53, No. 5, 335-346 (2022). MSC: 97F60 11D09 11E25 PDFBibTeX XMLCite \textit{C. G. Hale} et al., Coll. Math. J. 53, No. 5, 335--346 (2022; Zbl 1521.97003) Full Text: DOI
Kolba, Tiffany N.; Beagley, Jonathan Correction to: “Counting christmas trees”. (English) Zbl 1505.97057 Coll. Math. J. 53, No. 4, 334 (2022). MSC: 97K20 05C05 PDFBibTeX XMLCite \textit{T. N. Kolba} and \textit{J. Beagley}, Coll. Math. J. 53, No. 4, 334 (2022; Zbl 1505.97057) Full Text: DOI
Nelsen, Roger Proof without words: consecutive powerful numbers. (English) Zbl 1505.97011 Coll. Math. J. 53, No. 4, 318 (2022). MSC: 97F60 11N25 11A51 PDFBibTeX XMLCite \textit{R. Nelsen}, Coll. Math. J. 53, No. 4, 318 (2022; Zbl 1505.97011) Full Text: DOI
Gothen, Peter B.; de Oliveira, António Guedes On the classification of the rigid motions of the plane. (English) Zbl 1505.97017 Coll. Math. J. 53, No. 4, 315-317 (2022). MSC: 97G40 51M04 PDFBibTeX XMLCite \textit{P. B. Gothen} and \textit{A. G. de Oliveira}, Coll. Math. J. 53, No. 4, 315--317 (2022; Zbl 1505.97017) Full Text: DOI
Melman, Aaron An exclusion sector for zeros of polynomials with nonnegative coefficients. (English) Zbl 1505.97032 Coll. Math. J. 53, No. 4, 312-314 (2022). MSC: 97H30 97I20 12E10 26C10 PDFBibTeX XMLCite \textit{A. Melman}, Coll. Math. J. 53, No. 4, 312--314 (2022; Zbl 1505.97032) Full Text: DOI
Nirode, Wayne; Krumpe, Norm Donuts with Pythagoras. (English) Zbl 1505.97012 Coll. Math. J. 53, No. 4, 306-311 (2022). MSC: 97F60 11A51 PDFBibTeX XMLCite \textit{W. Nirode} and \textit{N. Krumpe}, Coll. Math. J. 53, No. 4, 306--311 (2022; Zbl 1505.97012) Full Text: DOI
Jones, Michael A.; Shor, Aidan; Wilson, Jennifer Allocating scarce resources using a weighted lottery. (English) Zbl 1505.97064 Coll. Math. J. 53, No. 4, 298-305 (2022). MSC: 97M40 91B32 PDFBibTeX XMLCite \textit{M. A. Jones} et al., Coll. Math. J. 53, No. 4, 298--305 (2022; Zbl 1505.97064) Full Text: DOI
Okumura, Hiroshi A Sangaku problem involving two circles and an equilateral triangle. (English) Zbl 1505.97021 Coll. Math. J. 53, No. 4, 292-297 (2022). MSC: 97G40 51M04 PDFBibTeX XMLCite \textit{H. Okumura}, Coll. Math. J. 53, No. 4, 292--297 (2022; Zbl 1505.97021) Full Text: DOI
Imbrogno, Jason; Bergman, David Computing the number of winning NFL survivor pool entries. (English) Zbl 1505.97068 Coll. Math. J. 53, No. 4, 282-291 (2022). MSC: 97M99 PDFBibTeX XMLCite \textit{J. Imbrogno} and \textit{D. Bergman}, Coll. Math. J. 53, No. 4, 282--291 (2022; Zbl 1505.97068) Full Text: DOI
Austin, Jathan; Curl, Emelie Exploring combinatorics and graph theory with simple blokus. (English) Zbl 1505.97054 Coll. Math. J. 53, No. 4, 273-281 (2022). MSC: 97K20 97K30 05B50 PDFBibTeX XMLCite \textit{J. Austin} and \textit{E. Curl}, Coll. Math. J. 53, No. 4, 273--281 (2022; Zbl 1505.97054) Full Text: DOI
Ahstrom, Genevieve; Sibley, Thomas Q. Fantasy on a baseball seam. (English) Zbl 1505.97014 Coll. Math. J. 53, No. 4, 265-272 (2022). MSC: 97G40 52B10 PDFBibTeX XMLCite \textit{G. Ahstrom} and \textit{T. Q. Sibley}, Coll. Math. J. 53, No. 4, 265--272 (2022; Zbl 1505.97014) Full Text: DOI
Nacin, David Kleinian KenKen. (English) Zbl 1505.97058 Coll. Math. J. 53, No. 4, 253-264 (2022). MSC: 97K20 00A08 05E18 PDFBibTeX XMLCite \textit{D. Nacin}, Coll. Math. J. 53, No. 4, 253--264 (2022; Zbl 1505.97058) Full Text: DOI
Shekhawat, Hanumant Singh Correlation and subtraction. (English) Zbl 1505.97060 Coll. Math. J. 53, No. 3, 233-234 (2022). MSC: 97K40 PDFBibTeX XMLCite \textit{H. S. Shekhawat}, Coll. Math. J. 53, No. 3, 233--234 (2022; Zbl 1505.97060) Full Text: DOI
Ding, Pisheng Less mundane applications of the most mundane functions. (English) Zbl 1505.97046 Coll. Math. J. 53, No. 3, 230-232 (2022). MSC: 97I60 26D07 PDFBibTeX XMLCite \textit{P. Ding}, Coll. Math. J. 53, No. 3, 230--232 (2022; Zbl 1505.97046) Full Text: DOI arXiv
Tolosa, Juan Two eigenvectors for the price of one. (English) Zbl 1505.97040 Coll. Math. J. 53, No. 3, 227-229 (2022). MSC: 97H60 15A18 PDFBibTeX XMLCite \textit{J. Tolosa}, Coll. Math. J. 53, No. 3, 227--229 (2022; Zbl 1505.97040) Full Text: DOI arXiv
Nelsen, Roger Proof without words: tangents of multiples of \(\pi/24\). (English) Zbl 1505.97027 Coll. Math. J. 53, No. 3, 226 (2022). MSC: 97G60 51M04 PDFBibTeX XMLCite \textit{R. Nelsen}, Coll. Math. J. 53, No. 3, 226 (2022; Zbl 1505.97027) Full Text: DOI
Miller, Steven J.; Treviño, Enrique On the sum of \(k\)-th powers in terms of earlier sums. (English) Zbl 1505.97010 Coll. Math. J. 53, No. 3, 220-225 (2022). MSC: 97F60 11B57 PDFBibTeX XMLCite \textit{S. J. Miller} and \textit{E. Treviño}, Coll. Math. J. 53, No. 3, 220--225 (2022; Zbl 1505.97010) Full Text: DOI arXiv
Edwards, Abe; Komosinski, Brielle Tetration: iterative enjoyment. (English) Zbl 1505.97044 Coll. Math. J. 53, No. 3, 209-219 (2022). MSC: 97I40 97I80 26A18 PDFBibTeX XMLCite \textit{A. Edwards} and \textit{B. Komosinski}, Coll. Math. J. 53, No. 3, 209--219 (2022; Zbl 1505.97044) Full Text: DOI
Brawner, James N.; Lawson, Nadou Integer solutions to angle optimization problems. (English) Zbl 1505.97070 Coll. Math. J. 53, No. 3, 197-208 (2022). MSC: 97N60 90C10 PDFBibTeX XMLCite \textit{J. N. Brawner} and \textit{N. Lawson}, Coll. Math. J. 53, No. 3, 197--208 (2022; Zbl 1505.97070) Full Text: DOI
Ricardo, Henry The equivalence of definitions of the natural logarithm function. (English) Zbl 1505.97043 Coll. Math. J. 53, No. 3, 190-196 (2022). MSC: 97I20 97I40 26A09 PDFBibTeX XMLCite \textit{H. Ricardo}, Coll. Math. J. 53, No. 3, 190--196 (2022; Zbl 1505.97043) Full Text: DOI
Blackburn-Lynch, James Are we ever our best possible selves? An application of Bézout’s identity to find coincident peaks of multiple sine curves. (English) Zbl 1505.97002 Coll. Math. J. 53, No. 3, 183-189 (2022). MSC: 97F60 11A05 PDFBibTeX XMLCite \textit{J. Blackburn-Lynch}, Coll. Math. J. 53, No. 3, 183--189 (2022; Zbl 1505.97002) Full Text: DOI
Lima, F. M. S.; Jordão, P. G. F. Why is it that the ratio of any circle’s circumference to its diameter is a constant? (English) Zbl 1505.97019 Coll. Math. J. 53, No. 3, 171-182 (2022). MSC: 97G40 51M04 PDFBibTeX XMLCite \textit{F. M. S. Lima} and \textit{P. G. F. Jordão}, Coll. Math. J. 53, No. 3, 171--182 (2022; Zbl 1505.97019) Full Text: DOI
Leher, Eli On the two “dimension theorems”. (English) Zbl 1505.97037 Coll. Math. J. 53, No. 2, 151 (2022). MSC: 97H60 15A03 PDFBibTeX XMLCite \textit{E. Leher}, Coll. Math. J. 53, No. 2, 151 (2022; Zbl 1505.97037) Full Text: DOI
Mercer, Peter R. Extending extending Bernoulli’s inequality. (English) Zbl 1505.97033 Coll. Math. J. 53, No. 2, 149-150 (2022). MSC: 97H30 26D20 PDFBibTeX XMLCite \textit{P. R. Mercer}, Coll. Math. J. 53, No. 2, 149--150 (2022; Zbl 1505.97033) Full Text: DOI
García, Emmanuel Antonio José A variant of the eyeball theorem. (English) Zbl 1505.97016 Coll. Math. J. 53, No. 2, 147-148 (2022). MSC: 97G40 51M04 PDFBibTeX XMLCite \textit{E. A. J. García}, Coll. Math. J. 53, No. 2, 147--148 (2022; Zbl 1505.97016) Full Text: DOI
Palatnik, Alik; Stupel, Moshe Proof without words: a property of a cyclic polygon with an even number of vertices. (English) Zbl 1505.97023 Coll. Math. J. 53, No. 2, 146 (2022). MSC: 97G40 51M04 PDFBibTeX XMLCite \textit{A. Palatnik} and \textit{M. Stupel}, Coll. Math. J. 53, No. 2, 146 (2022; Zbl 1505.97023) Full Text: DOI
Quintanilla, John A. A new derivation of Snell’s law without calculus. (English) Zbl 1505.97065 Coll. Math. J. 53, No. 2, 140-145 (2022). MSC: 97M50 78A05 PDFBibTeX XMLCite \textit{J. A. Quintanilla}, Coll. Math. J. 53, No. 2, 140--145 (2022; Zbl 1505.97065) Full Text: DOI
Gürtaş, Yusuf Z. An unorthodox approach to skinning a definite integral. (English) Zbl 1505.97047 Coll. Math. J. 53, No. 2, 134-139 (2022). MSC: 97I60 26A06 PDFBibTeX XMLCite \textit{Y. Z. Gürtaş}, Coll. Math. J. 53, No. 2, 134--139 (2022; Zbl 1505.97047) Full Text: DOI
Erickson, William Q. Haste makes waste: an optimization problem. (English) Zbl 1505.97063 Coll. Math. J. 53, No. 2, 122-133 (2022). MSC: 97M40 90B20 PDFBibTeX XMLCite \textit{W. Q. Erickson}, Coll. Math. J. 53, No. 2, 122--133 (2022; Zbl 1505.97063) Full Text: DOI
Barrett, Johnner Unlawful calculations: a look into Lie’s notebook. (English) Zbl 1505.97049 Coll. Math. J. 53, No. 2, 104-115 (2022). MSC: 97I70 34A26 01A55 PDFBibTeX XMLCite \textit{J. Barrett}, Coll. Math. J. 53, No. 2, 104--115 (2022; Zbl 1505.97049) Full Text: DOI
Lengvárszky, Zsolt; Szarvas, Tibor The law of cosines with differential calculus and without. (English) Zbl 1505.97025 Coll. Math. J. 53, No. 2, 98-103 (2022). MSC: 97G60 97I40 51M04 26A06 PDFBibTeX XMLCite \textit{Z. Lengvárszky} and \textit{T. Szarvas}, Coll. Math. J. 53, No. 2, 98--103 (2022; Zbl 1505.97025) Full Text: DOI
Sachs, Robert L. Similarities in a first differential equations course. (English) Zbl 1505.97051 Coll. Math. J. 53, No. 2, 87-97 (2022). MSC: 97I70 34A30 PDFBibTeX XMLCite \textit{R. L. Sachs}, Coll. Math. J. 53, No. 2, 87--97 (2022; Zbl 1505.97051) Full Text: DOI
Sporn, Howard A proof of the reflective property of the parabola. (English) Zbl 1505.97029 Coll. Math. J. 53, No. 1, 67-68 (2022). MSC: 97G70 51M04 PDFBibTeX XMLCite \textit{H. Sporn}, Coll. Math. J. 53, No. 1, 67--68 (2022; Zbl 1505.97029) Full Text: DOI
Lu, Yuanting Using linear interpolation to implement the change of variables in double integrals. (English) Zbl 1505.97048 Coll. Math. J. 53, No. 1, 64-66 (2022). MSC: 97I60 26B15 PDFBibTeX XMLCite \textit{Y. Lu}, Coll. Math. J. 53, No. 1, 64--66 (2022; Zbl 1505.97048) Full Text: DOI
Muleshkov, Angel S.; Sweat, Kurt R. Elementary functions. (English) Zbl 1505.97042 Coll. Math. J. 53, No. 1, 54-63 (2022). MSC: 97I20 26A09 PDFBibTeX XMLCite \textit{A. S. Muleshkov} and \textit{K. R. Sweat}, Coll. Math. J. 53, No. 1, 54--63 (2022; Zbl 1505.97042) Full Text: DOI
Mehta, Jay A short generalized proof of infinitude of primes. (English) Zbl 1505.97008 Coll. Math. J. 53, No. 1, 52-53 (2022). MSC: 97F60 11A41 PDFBibTeX XMLCite \textit{J. Mehta}, Coll. Math. J. 53, No. 1, 52--53 (2022; Zbl 1505.97008) Full Text: DOI
Edgar, Tom Visual sums of integers in polygonal arrays. (English) Zbl 1505.97007 Coll. Math. J. 53, No. 1, 45-51 (2022). MSC: 97F60 11B83 PDFBibTeX XMLCite \textit{T. Edgar}, Coll. Math. J. 53, No. 1, 45--51 (2022; Zbl 1505.97007) Full Text: DOI
Maltenfort, Michael The associativity of infinite matrix multiplication, revisited. (English) Zbl 1505.97039 Coll. Math. J. 53, No. 1, 39-44 (2022). MSC: 97H60 15A24 PDFBibTeX XMLCite \textit{M. Maltenfort}, Coll. Math. J. 53, No. 1, 39--44 (2022; Zbl 1505.97039) Full Text: DOI
Alsina, Claudi; Nelsen, Roger Proof without words: another Pythagorean theorem. (English) Zbl 1505.97015 Coll. Math. J. 53, No. 1, 38 (2022). MSC: 97G40 PDFBibTeX XMLCite \textit{C. Alsina} and \textit{R. Nelsen}, Coll. Math. J. 53, No. 1, 38 (2022; Zbl 1505.97015) Full Text: DOI
Merca, Mircea Connections between partitions and divisors related to the parity of the partition function. (English) Zbl 1505.97009 Coll. Math. J. 53, No. 1, 33-37 (2022). MSC: 97F60 11P81 PDFBibTeX XMLCite \textit{M. Merca}, Coll. Math. J. 53, No. 1, 33--37 (2022; Zbl 1505.97009) Full Text: DOI
Kardos, Judit Constructing continuous functions. (English) Zbl 1505.97041 Coll. Math. J. 53, No. 1, 21-32 (2022). MSC: 97I20 97I40 26A06 26A15 26A27 26A30 PDFBibTeX XMLCite \textit{J. Kardos}, Coll. Math. J. 53, No. 1, 21--32 (2022; Zbl 1505.97041) Full Text: DOI
Gallant, Robert; Gunther, Georg Arranging beetles. (English) Zbl 1505.97059 Coll. Math. J. 53, No. 1, 3-12 (2022). MSC: 97K30 05C90 PDFBibTeX XMLCite \textit{R. Gallant} and \textit{G. Gunther}, Coll. Math. J. 53, No. 1, 3--12 (2022; Zbl 1505.97059) Full Text: DOI
Nievergelt, Yves Is doom the inescapable solution of initial value problems? (English) Zbl 1505.97050 Coll. Math. J. 52, No. 4, 302-305 (2021). MSC: 97I70 34A12 34C60 PDFBibTeX XMLCite \textit{Y. Nievergelt}, Coll. Math. J. 52, No. 4, 302--305 (2021; Zbl 1505.97050) Full Text: DOI
Orosi, Greg An elementary derivation of the duration of play in the gambler’s ruin problem. (English) Zbl 1505.97061 Coll. Math. J. 52, No. 4, 299-301 (2021). MSC: 97K50 97M40 PDFBibTeX XMLCite \textit{G. Orosi}, Coll. Math. J. 52, No. 4, 299--301 (2021; Zbl 1505.97061) Full Text: DOI
Sun, Dennis L. Proof without words: convex hulls and Jensen’s inequality. (English) Zbl 1505.97035 Coll. Math. J. 52, No. 4, 298 (2021). MSC: 97H30 PDFBibTeX XMLCite \textit{D. L. Sun}, Coll. Math. J. 52, No. 4, 298 (2021; Zbl 1505.97035) Full Text: DOI
Hu, Xiaoyan Proof without words: center of mass. (English) Zbl 1505.97018 Coll. Math. J. 52, No. 4, 297 (2021). MSC: 97G40 PDFBibTeX XMLCite \textit{X. Hu}, Coll. Math. J. 52, No. 4, 297 (2021; Zbl 1505.97018) Full Text: DOI
Clark, Thomas J. Classroom and computational investigations of Camel Up. (English) Zbl 1505.97067 Coll. Math. J. 52, No. 4, 289-296 (2021). MSC: 97M99 97K50 00A08 97M40 91A60 PDFBibTeX XMLCite \textit{T. J. Clark}, Coll. Math. J. 52, No. 4, 289--296 (2021; Zbl 1505.97067) Full Text: DOI
Nagahashi, Hideo Magic card tricks on Hamming codes over finite fields. (English) Zbl 1505.97062 Coll. Math. J. 52, No. 4, 281-288 (2021). MSC: 97K99 97F60 00A08 94B05 11T71 PDFBibTeX XMLCite \textit{H. Nagahashi}, Coll. Math. J. 52, No. 4, 281--288 (2021; Zbl 1505.97062) Full Text: DOI
Ehrenborg, Richard Fano, Galois, Hamming and a card trick. (English) Zbl 1505.97030 Coll. Math. J. 52, No. 4, 274-280 (2021). MSC: 97G99 00A08 51E20 PDFBibTeX XMLCite \textit{R. Ehrenborg}, Coll. Math. J. 52, No. 4, 274--280 (2021; Zbl 1505.97030) Full Text: DOI
Bonomo, John P. Back to the tower. (English) Zbl 1505.97071 Coll. Math. J. 52, No. 4, 265-273 (2021). MSC: 97N70 00A08 PDFBibTeX XMLCite \textit{J. P. Bonomo}, Coll. Math. J. 52, No. 4, 265--273 (2021; Zbl 1505.97071) Full Text: DOI
Carlson, Joshua; Christensen, Alex; Harris, Pamela E.; Jones, Zakiya; Ramos Rodríguez, Andrés Parking functions: choose your own adventure. (English) Zbl 1505.97055 Coll. Math. J. 52, No. 4, 254-264 (2021). MSC: 97K20 05A15 05A19 PDFBibTeX XMLCite \textit{J. Carlson} et al., Coll. Math. J. 52, No. 4, 254--264 (2021; Zbl 1505.97055) Full Text: DOI arXiv
Levin, Oscar; Markkanen, Tyler Puzzles of cardinality. (English) Zbl 1505.97001 Coll. Math. J. 52, No. 4, 243-253 (2021). MSC: 97E60 00A08 PDFBibTeX XMLCite \textit{O. Levin} and \textit{T. Markkanen}, Coll. Math. J. 52, No. 4, 243--253 (2021; Zbl 1505.97001) Full Text: DOI
Roualdes, Edward A.; Schwertman, Neil C. Optimal pooling of COVID-19 samples. (English) Zbl 1505.97066 Coll. Math. J. 52, No. 5, 380-384 (2021). MSC: 97M60 97K70 92B15 PDFBibTeX XMLCite \textit{E. A. Roualdes} and \textit{N. C. Schwertman}, Coll. Math. J. 52, No. 5, 380--384 (2021; Zbl 1505.97066) Full Text: DOI
Sanghi, Aniket Visualizing the complex roots of quadratic and cubic polynomial functions in three dimensions. (English) Zbl 1505.97053 Coll. Math. J. 52, No. 5, 373-379 (2021). MSC: 97I80 30C15 PDFBibTeX XMLCite \textit{A. Sanghi}, Coll. Math. J. 52, No. 5, 373--379 (2021; Zbl 1505.97053) Full Text: DOI
Previte, Joseph; Previte, Michelle The beautiful chaotic dynamics of \(i^z\). (English) Zbl 1505.97052 Coll. Math. J. 52, No. 5, 364-372 (2021). MSC: 97I80 37F99 PDFBibTeX XMLCite \textit{J. Previte} and \textit{M. Previte}, Coll. Math. J. 52, No. 5, 364--372 (2021; Zbl 1505.97052) Full Text: DOI
Nelsen, Roger Machin’s formula via a proof without words. (English) Zbl 1505.97026 Coll. Math. J. 52, No. 5, 355 (2021). MSC: 97G60 PDFBibTeX XMLCite \textit{R. Nelsen}, Coll. Math. J. 52, No. 5, 355 (2021; Zbl 1505.97026) Full Text: DOI
Li, Hou-Biao; Li, Hong; Huang, Ting-Zhu Chaos in determinant condensation calculations. (English) Zbl 1505.97038 Coll. Math. J. 52, No. 5, 345-354 (2021). MSC: 97H60 15A15 65F40 97N30 PDFBibTeX XMLCite \textit{H.-B. Li} et al., Coll. Math. J. 52, No. 5, 345--354 (2021; Zbl 1505.97038) Full Text: DOI
Kolba, Tiffany N.; Beagley, Jonathan Counting christmas trees. (English) Zbl 1505.97056 Coll. Math. J. 52, No. 5, 338-344 (2021); correction ibid. 53, No. 4, 334 (2022). MSC: 97K20 05C05 PDFBibTeX XMLCite \textit{T. N. Kolba} and \textit{J. Beagley}, Coll. Math. J. 52, No. 5, 338--344 (2021; Zbl 1505.97056) Full Text: DOI
Davis, Matt; Parker, Adam E.; Vargas, Daniel A. N. Being rational about algebraic numbers. (English) Zbl 1505.97006 Coll. Math. J. 52, No. 5, 327-337 (2021). MSC: 97F60 11J68 11J70 PDFBibTeX XMLCite \textit{M. Davis} et al., Coll. Math. J. 52, No. 5, 327--337 (2021; Zbl 1505.97006) Full Text: DOI
Becsi, Brian; Huang, Solomon; Schoenfeld, Verenalei; Suceavă, Bogdan D.; Thune-Aguayo, Ashley Applications of squeeze theorem to limiting processes involving Riemann integration. (English) Zbl 1473.97025 Coll. Math. J. 52, No. 3, 224-226 (2021). MSC: 97I50 26A42 26A06 PDFBibTeX XMLCite \textit{B. Becsi} et al., Coll. Math. J. 52, No. 3, 224--226 (2021; Zbl 1473.97025) Full Text: DOI
Passias, Georgios; Wegner, Sven-Ake On a counterexample in connection with the Picard-Lindelöf theorem. (English) Zbl 1473.97030 Coll. Math. J. 52, No. 3, 221-223 (2021). MSC: 97I70 34A12 PDFBibTeX XMLCite \textit{G. Passias} and \textit{S.-A. Wegner}, Coll. Math. J. 52, No. 3, 221--223 (2021; Zbl 1473.97030) Full Text: DOI arXiv
Tian, Melanie; Treviño, Enrique An unusual recursive formula to answer a question regarding fixed points in permutations. (English) Zbl 1473.97033 Coll. Math. J. 52, No. 3, 219-220 (2021). MSC: 97K20 05A15 05A10 05A19 PDFBibTeX XMLCite \textit{M. Tian} and \textit{E. Treviño}, Coll. Math. J. 52, No. 3, 219--220 (2021; Zbl 1473.97033) Full Text: DOI
Moreno Verdejo, Antonio J.; López Viveros, Abraham; Ramirez Uclés, Rafael Statistical significance of the median of a set of points on the plane. (English) Zbl 1473.97034 Coll. Math. J. 52, No. 3, 205-218 (2021). MSC: 97K40 97G40 51M04 62A09 PDFBibTeX XMLCite \textit{A. J. Moreno Verdejo} et al., Coll. Math. J. 52, No. 3, 205--218 (2021; Zbl 1473.97034) Full Text: DOI Link
Martinjak, Ivica; Mimica, Ana Proofs without words: a visual proof for an infinite alternating sign series. (English) Zbl 1473.97020 Coll. Math. J. 52, No. 3, 204 (2021). MSC: 97I30 PDFBibTeX XMLCite \textit{I. Martinjak} and \textit{A. Mimica}, Coll. Math. J. 52, No. 3, 204 (2021; Zbl 1473.97020) Full Text: DOI
Paulsen, William The sock problem revisited. (English) Zbl 1473.97032 Coll. Math. J. 52, No. 3, 193-203 (2021). MSC: 97K20 97K50 05C05 65C05 PDFBibTeX XMLCite \textit{W. Paulsen}, Coll. Math. J. 52, No. 3, 193--203 (2021; Zbl 1473.97032) Full Text: DOI
Rice, Adrian; Brown, Ezra Why Hamilton couldn’t multiply triples. (English) Zbl 1473.97007 Coll. Math. J. 52, No. 3, 185-192 (2021). MSC: 97F60 11E25 11R52 15A18 PDFBibTeX XMLCite \textit{A. Rice} and \textit{E. Brown}, Coll. Math. J. 52, No. 3, 185--192 (2021; Zbl 1473.97007) Full Text: DOI
Montgomery, Aaron What’s in the bag? (English) Zbl 1473.97031 Coll. Math. J. 52, No. 3, 177-184 (2021). MSC: 97K20 97K50 05D05 60C05 PDFBibTeX XMLCite \textit{A. Montgomery}, Coll. Math. J. 52, No. 3, 177--184 (2021; Zbl 1473.97031) Full Text: DOI
Chapman, Scott; García-Sánchez, Pedro; O’Neill, Christopher Distances between factorizations in the Chicken McNugget monoid. (English) Zbl 1473.97013 Coll. Math. J. 52, No. 3, 158-176 (2021). MSC: 97H40 20M14 20M13 PDFBibTeX XMLCite \textit{S. Chapman} et al., Coll. Math. J. 52, No. 3, 158--176 (2021; Zbl 1473.97013) Full Text: DOI arXiv
Lawlor, Gary R. An eigenargument for irrational roots. (English) Zbl 1473.97006 Coll. Math. J. 52, No. 2, 140-141 (2021). MSC: 97F60 11R09 PDFBibTeX XMLCite \textit{G. R. Lawlor}, Coll. Math. J. 52, No. 2, 140--141 (2021; Zbl 1473.97006) Full Text: DOI
Fried, Michael N. An observation about first-order linear ODEs. (English) Zbl 1473.97027 Coll. Math. J. 52, No. 2, 137-139 (2021). MSC: 97I70 34A30 PDFBibTeX XMLCite \textit{M. N. Fried}, Coll. Math. J. 52, No. 2, 137--139 (2021; Zbl 1473.97027) Full Text: DOI
Edgar, Tom Visual triangular number identities from positional number systems. (English) Zbl 1473.97004 Coll. Math. J. 52, No. 2, 133-136 (2021). MSC: 97F60 11A63 11A67 PDFBibTeX XMLCite \textit{T. Edgar}, Coll. Math. J. 52, No. 2, 133--136 (2021; Zbl 1473.97004) Full Text: DOI
Goldstone, Richard; Roca, Rachel; Suzzi Valli, Robert Shortest paths on cubes. (English) Zbl 1473.97010 Coll. Math. J. 52, No. 2, 121-132 (2021). MSC: 97G40 52B05 53C22 PDFBibTeX XMLCite \textit{R. Goldstone} et al., Coll. Math. J. 52, No. 2, 121--132 (2021; Zbl 1473.97010) Full Text: DOI arXiv
Stevanovi, Sanja; Stevanović, Dragan Visual proofs for the sums of fourth and fifth powers of the first \(n\) natural numbers. (English) Zbl 1473.97008 Coll. Math. J. 52, No. 2, 115-120 (2021). MSC: 97F60 11B83 PDFBibTeX XMLCite \textit{S. Stevanovi} and \textit{D. Stevanović}, Coll. Math. J. 52, No. 2, 115--120 (2021; Zbl 1473.97008) Full Text: DOI
Beres, Steven; Coufal, Vesta; Kearney, Kate; Lattanzi, Ryan; Olson, Hayley Linking numbers of Klein links. (English) Zbl 1473.97019 Coll. Math. J. 52, No. 2, 106-114 (2021). MSC: 97I30 97I50 97K20 57K10 PDFBibTeX XMLCite \textit{S. Beres} et al., Coll. Math. J. 52, No. 2, 106--114 (2021; Zbl 1473.97019) Full Text: DOI
Schmitz, Michael A plea for finite calculus. (English) Zbl 1473.97023 Coll. Math. J. 52, No. 2, 94-105 (2021). MSC: 97I40 97I99 26A99 PDFBibTeX XMLCite \textit{M. Schmitz}, Coll. Math. J. 52, No. 2, 94--105 (2021; Zbl 1473.97023) Full Text: DOI