Articles

• Locus Surfaces and Linear Transformations When Fixed Point Is at Infinity

  Wei-Chi Yang, Antonio Morante

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  1138 150 Pages:1-24

• Offsets of Cassini Ovals

  Thierry (Noah) Dana-Picard, Zoltán Kovács

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  1147 200 Pages:25-39

• The Polish Cryptanalysis of Enigma

  Richard E. Klima, Neil P. Sigmon

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  1199 216 Pages:40-59

• Exploring Geometric Conjectures with the Help of a Learning Environment - A Case Study with Pre-Service Teachers

  Vanda Santos, Pedro Quaresma

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  1146 162 Pages:60-72

• Understanding Geometric Pattern and Its Geometry Part 7–What Can Go Wrong?

  Mirosław Majewski

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  1155 168 Pages:73-91

• Case Study of an Online Course on Introductory Mathematics for Artificial Intelligence

  Sang-Gu Lee, Jae Hwa Lee, Youngju L. Nielsen, Ho Kyoung Ko

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  1146 125 Pages:92-108