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Summarizing Elementary Number Theory

5/22/2026

AoPSArt of Problem SolvingNumber Theoryintegersprimes and compositesmultiples and divisorsprime factorization

I explain what I've learned through self-study of the first 5 chapters of the Art of Problem Solving: Introduction to Number Theory by Mathew Crawford.

UIL CS: Bitwise Operations & Boolean Algebra

3/22/2026

computer scienceprogrammingUILbitwiseboolean algebra

Bitwise operations and boolean algebra for UIL Computer Science - AND, OR, XOR, shifts, identities, and De Morgan's laws

UIL CS: Collections & Algorithms

3/22/2026

computer scienceprogrammingUILcollectionsalgorithmsregex

Collections framework, algorithms, regex, trees, graphs, and postfix notation for UIL Computer Science

UIL CS: Java Fundamentals

3/22/2026

computer scienceprogrammingUILJavafundamentals

Java fundamentals for UIL Computer Science - printf, operator precedence, memory allocation, and more

UIL CS: Number Systems

3/22/2026

computer scienceprogrammingUILalgorithmsnumber systems

Number systems study sheet for UIL Computer Science - decimal, binary, hex conversions and arithmetic