Discrete Math vs Set Theory for Computing

Discretica helps CS students learn discrete math with interactive calculators, proof practice, and 500+ guided problems you can study offline. Built for Discrete Structures and Discrete Mathematics courses, Discretica focuses on the topics that show up in homework, quizzes, midterms, and finals. What you can study: - Logic and propositions: connectives, truth tables, equivalences, and quantifiers - Proof methods: direct proof, contradiction, contrapositive, and induction - Sets, functions, and relations: set operations, Venn diagrams, properties, and mappings - Counting and combinatorics: permutations, combinations, pigeonhole, and binomial theorem - Graph theory and trees: paths, cycles, connectivity, BFS, DFS, and spanning trees - Boolean algebra: expressions, laws, logic gates, simplification, and circuits - Number theory: divisibility, primes, modular arithmetic, GCD, LCM, and Euclidean algorithm Interactive tools: - Truth Table Builder for logical expressions with AND, OR, NOT, implication, biconditional, and XOR - Set Operations with union, intersection, difference, symmetric difference, cardinality, power sets, and Venn visuals - Combinatorics Calculator for permutations, combinations, factorials, and stars-and-bars - Modular Arithmetic for addition, subtraction, multiplication, powers, and inverses - Base Converter for binary, octal, decimal, and hexadecimal - GCD and LCM Calculator with Euclidean and extended Euclidean steps - Proof Trainer with fill-in-the-gap, reorder-the-proof, and choose-the-method exercises Practice that actually helps: - 500+ bundled practice problems across beginner, intermediate, and advanced levels - Hints, explanations, and step-by-step solutions - 30 rotating daily challenge problems - Mistake notebook with spaced review - Progress tracking with streaks, levels, topic mastery, and achievements - 54 formula and reference cards across the core syllabus Free to start: Use four free calculators, read the first subtopic in every module, complete daily challenges, and practice up to 8 problems per day. Discretica Premium unlocks all lessons, all tools, unlimited practice, step-by-step solutions, the full mistake notebook, and the proof trainer. Choose a weekly or yearly subscription, or unlock lifetime access with a one-time purchase. No account needed. No ads. Your learning progress, preferences, and mistakes are stored on your device. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Set Theory for Computing is an independent study app for learners who want focused practice in the mathematical foundations behind programming, databases, algorithms, logic, and discrete math. Work through 160 questions across Fundamentals, Practical Skills, Common Pitfalls, and Advanced Concepts. Every question includes an explanation, so you can review why an answer is right and where your reasoning went off track. Features: - FSRS spaced-repetition intervals for efficient review - Weak-point heatmap to show topics that need attention - Daily challenge for consistent practice - Mock exams for timed review sessions - Offline practice for studying anywhere - No login required Use it for class review, interview prep, self-study, or brushing up on proofs, relations, functions, logic, and notation. Independent study app for Set Theory for Computing practice. Not affiliated with, endorsed by, or sponsored by any company, certification body, exam operator, or vendor. All trademarks belong to their respective owners. Practice offline, no login required.