We're Like Having a Personal Math & Stat Prof
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The Fall 2025 Featured Problem Series
Our Fall 2025 Featured Problem Series has come to an end. Check back here for an annoucement about our next series. In the meantime, check out our archive for solutions to the problems in this series and our summer series.
The Featured Problem Series Archive
Fall 2025
Week 1: Sophomore-Level Real Analysis
Week 2: Sophomore-Level Discrete Math
Week 3: Junior/Senior-Level Probability
Week 4: Junior/Senior-Level Real Analysis
Week 5: Junior/Senior-Level Real Analysis
Week 6: Junior/Senior-Level Abstract Algebra
Week 7: Junior/Senior-Level Real Analysis
Week 8: Graduate-Level Applied Linear Algebra
Week 9 : Sophomore-Level Combinatorics
Week 10 : Junior/Senior-Level Stochastic Modeling
Summer 2025
Week 1: Calculus I
Week 2: Junior/Senior-Level Probability
Week 3: Calculus II
Week 4: Junior/Senior-Level Real Analysis
Week 5: Sophomore-Level Combinatorics
Week 6: Junior/Senior-Level Real Analysis
Week 7: Sophomore-Level Discrete Math
Week 8: Sophomore-Level Real Analysis
Week 9: Junior/Senior-Level Linear Algebra
Week 10: Junior/Senior-Level Ordinary Differential Equations