Convergence: Where Mathematics, History, and Teaching MeetConvergence is the open access scholarly journal of the Mathematical Association of America about the history of mathematics and its use in teaching. Aimed at teachers of mathematics at both the secondary and collegiate levels, it includes topics from grades 8–16 mathematics, with special emphasis on topics from grades 8–14: algebra, combinatorics, synthetic and analytic geometry, trigonometry, probability and statistics, elementary functions, calculus, differential equations, and linear algebra.