<p>Alcumus is Art of Problem Solving's free adaptive online learning system. It delivers an individually adjusted stream of problems and lessons — serving harder material as a student gets stronger and extra practice when they struggle — and is aimed at high-performing students who want challenge beyond the standard curriculum.</p><ul><li>Over 13,000 problems with full solutions, drawn from competitions such as MATHCOUNTS, MOEMS, the American Mathematics Competitions, and CEMC contests</li><li>Topics span Prealgebra, Introduction to Algebra, Counting &amp; Probability, Number Theory, Geometry, Intermediate Algebra, and Precalculus</li><li>Progress reports let students revisit problems and track performance by subject</li><li>Free to use with an Art of Problem Solving account; a companion to AoPS textbooks and online courses</li><li>Well suited to Sec 3 to JC2 students preparing for olympiad-level practice such as SMO or AMC</li></ul>