Heeffer, Albrecht. 2003. “Kepler's Near Discovery Of The Sine Law: A Qualitative Computational Model.” Claudio Delrieux and Legris, Javier. Computer modeling of scientific reasoning: 93–102.

Heeffer, Albrecht. 2006. “The Logic Of Disguise: Descartes' Discovery Of The Sine Law”. Historia scientiarum. International Journal of the History of Science Society of Japan 16: 144–165.

Heeffer, Albrecht. 2006. “The Methodological Relevance Of The History Of Mathematics For Mathematics Education”. In Proceedings of the International Conference on 21st Century Information Technology in Mathematics Education, Proceedings of the International Conference on 21st Century Information Technology in Mathematics Education, G Dhompongsa, Bhatti, F, and Kitson, Q.

Heeffer, Albrecht. 2006. “The Origin Of The Problems In Euler's Algebra”. Bulletin of the Belgian Mathematical Society - Simon Stevin 13: 949–952.

Heeffer, Albrecht. 2006. “Récréations Mathématiques (1624): A Study On Its Authorship, Sources And Influence”. Gibecière 1: 77–167.

Heeffer, Albrecht. 2006. “Van Precepten Tot Vergelijkingen. De Conceptuele Ontwikkeling Van Symbolische Algebra In De Zestiende Eeuw”.

Heeffer, Albrecht. 2007. “Abduction As A Strategy For Concept Formation In Mathematics: Cardano Postulating A Negative.” Olga Pombo and Gerner, Alexander. Abduction and the process of scientific discovery: 179–194.

Heeffer, Albrecht. 2007. “Father Henri Bosmans (S.j.) A Belgian Pioneer In The History Of Mathematics”. History and Pedagogy of Mathematics Newsletter 65: 12–15.

Heeffer, Albrecht. 2007. “Learning Concepts Through The History Of Mathematics: The Case Of Symbolic Algebra.” Karen François and Van Bendegem, Jean Paul. Philosophical dimensions in mathematics education: 83–103.

Heeffer, Albrecht. 2007. “Mathematics Education Through Lesson Study In The Asia-Pacific Region”. History and Pedagogy of Mathematics Newsletter 66: 4–6.

Heeffer, Albrecht, and Harold Heeffer. 2007. “Near-Optimal Strategies For The Game Of Logik”.

Heeffer, Albrecht. 2007. “The Tacit Appropriation Of Hindu Algebra In Renaissance Practical Arithmetic”. Ganita Bharati 29: 1–60.

Heeffer, Albrecht. 2008. “A Conceptual Analysis Of Early Arabic Algebra” Shahid Rahman, Street, Tony, and Tahiri, Hassan. The unity of science in the arabic tradition : science, logic, epistemology and their interactions: 89–128. http://dx.doi.org/1854/11276.

Heeffer, Albrecht. 2008. “The Emergence Of Symbolic Algebra As A Shift In Predominant Models”. Foundations of Science 13: 149–161. http://dx.doi.org/10.1007/s10699-008-9124-0.

Heeffer, Albrecht. 2008. “An Introduction To Wasan, Native Japanese Mathematics”. History and Pedagogy of Mathematics 68: 20–24. http://dx.doi.org/1854/11413.

Heeffer, Albrecht. 2008. “Negative Numbers As An Epistemic Difficult Concept. Some Lessons From History.”. In History and Pedagogy of Mathematics. Satellite Meeting of International Congress on Mathematical Education 11, 14 - 18 July 2008., History and Pedagogy of Mathematics. Satellite Meeting of International Congress on Mathematical Education 11, 14 - 18 July 2008., C. Tzanakis. Centro Cultural del México Contemporanéo.

Heeffer, Albrecht. 2008. “Regiomontanus And Chinese Mathematics” Erik Weber. PHILOSOPHICA 82: 87–114.

Heeffer, Albrecht. 2008. “Text Production, Reproduction And Appropriation Within The Abbaco Tradition: A Case Study”. SCIAMVS 9: 101-145.

Heeffer, Albrecht. 2009. “The Abbaco Tradition (1300-1500): Its Role In The Development Of European Algebra”. Suuri Kaiseki Kenkyuujo koukyuuroku 1625: 23–33.

Heeffer, Albrecht. 2009. “The Abbacus Tradition: The Missing Link Between Arabic And Early Symbolic Algebra?”.

Weber, Erik, and Albrecht Heeffer. 2009. “Laudatio Jens Høyrup”. Sartoniana 22: 5–7.

Heeffer, Albrecht. 2009. “On The Nature And Origin Of Algebraic Symbolism”. In New Perspectives on Mathematical Practices. Essays in Philosophy and History of Mathematics., New Perspectives on Mathematical Practices. Essays in Philosophy and History of Mathematics., Bart Van Kerkhove. World Scientific Publishing. http://www.worldscibooks.com/etextbook/6810/6810\_chap01.pdf.

Heeffer, Albrecht. 2010. “Algebraic Partitioning Problems From Luca Pacioli's Perugia Manuscript (Vat. Lat. 3129)”. Sources and Commentaries in Exact Sciences 11: 3–51.

Heeffer, Albrecht. 2010. “The Body In Renaissance Arithmetic: From Mnemonics To Embodied Cognition”. In Proceedings of the Thirty Sixth Annual Convention of the Society for the Study of Artificial Intelligence and Simulation, Proceedings of the Thirty Sixth Annual Convention of the Society for the Study of Artificial Intelligence and Simulation, Alison Pease, Guhe, Markus, and Smaill, Alan. The Society for the Study of Artificial Intelligence and the Simulation of Behaviour.

Heeffer, Albrecht. 2010. “Estienne De La Roche’S Appropriation Of Chuquet (1484)”. In 3rd International Conference of the European Society for the History of Science, 3rd International Conference of the European Society for the History of Science, Hermann Hunger.