Historical objections against the number line A Heeffer Science & Education 20, 863-880, 2011 | 43 | 2011 |
On the curious historical coincidence of algebra and double-entry bookkeeping. A Heeffer FotFS, 111-132, 2008 | 41 | 2008 |
From the second unknown to the symbolic equation A Heeffer Philosophical Aspects of Symbolic Reasoning in Early Modern Mathematics 26 …, 2010 | 34 | 2010 |
On the nature and origin of algebraic symbolism A Heeffer New Perspectives on Mathematical Practices. Essays in Philosophy and History …, 2009 | 33 | 2009 |
Récréations Mathématiques (1624): A study on its authorship, sources and influence A Heeffer Centre for Logic and Philosophy of Science, 2004 | 30 | 2004 |
The pigeonhole principle, two centuries before Dirichlet B Rittaud, A Heeffer The Mathematical Intelligencer 36 (2), 27-29, 2014 | 29 | 2014 |
Learning concepts through the history of mathematics: The case of symbolic algebra A Heeffer Philosophical dimensions in mathematics education, 83-103, 2007 | 29 | 2007 |
A conceptual analysis of early Arabic algebra A Heeffer The Unity of Science in the Arabic tradition: science, logic, epistemology …, 2008 | 28 | 2008 |
The emergence of symbolic algebra as a shift in predominant models A Heeffer Foundations of science 13, 149-161, 2008 | 28 | 2008 |
Negative numbers as an epistemic difficult concept: Some lessons from history A Heeffer Proceedings of the History and Pedagogy of Mathematics Conference, 1-13, 2008 | 19 | 2008 |
The origin of the problems in Euler's Algebra A Heeffer Bulletin of the Belgian Mathematical Society-Simon Stevin 13 (5), 949-952, 2007 | 19 | 2007 |
Algebraic partitioning problems from Luca Pacioli’s Perugia manuscript (Vat. Lat. 3129) A Heeffer Sources and Commentaries in Exact Sciences 11, 3-52, 2010 | 17 | 2010 |
Abduction as a strategy for concept formation in mathematics: Cardano postulating a negative A Heeffer Abduction and the Process of Scientific Discovery, Colecçáo Documenta …, 2007 | 17 | 2007 |
Text production reproduction and appropriation within the abbaco tradition: a case study A Heeffer Sources and Commentaries in Exact Sciences 9, 101-145, 2008 | 15 | 2008 |
The tacit appropriation of Hindu algebra in renaissance practical arithmetic A Heeffer Gaņita Bhārāti 29 (1-2), 1-60, 2007 | 15 | 2007 |
How algebra spoiled recreational problems: A case study in the cross-cultural dissemination of mathematics A Heeffer Historia Mathematica 41 (4), 400-437, 2014 | 14 | 2014 |
The reception of ancient Indian mathematics by western historians A Heeffer Ancient Indian Leaps into Mathematics, 135-152, 2011 | 14 | 2011 |
Epistemic justification and operational symbolism A Heeffer Foundations of Science 19, 89-113, 2014 | 13 | 2014 |
Philosophical aspects of symbolic reasoning in early modern mathematics A Heeffer, M Van Dyck Studies in Logic 26, 2010 | 13 | 2010 |
The methodological relevance of the history of mathematics for mathematics education A Heeffer Colección Digital Eudoxus 1 (5), 2009 | 13 | 2009 |