Discrete Math - Discretica
Proofs, Logic & Study Tools
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
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/
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Information
- Seller
- Mobin Akhter
- Size
- 40.7 MB
- Category
- Education
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
English and 30 more
- English, Arabic, Croatian, Czech, Danish, Dutch, Finnish, French, German, Greek, Hebrew, Hungarian, Indonesian, Italian, Japanese, Korean, Latvian, Norwegian Bokmål, Polish, Portuguese, Romanian, Russian, Simplified Chinese, Slovak, Slovenian, Spanish, Swedish, Thai, Turkish, Ukrainian, Vietnamese
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Weekly Premium $2.99
- Lifetime Premium $44.99
- Yearly Premium $24.99
- Copyright
- © 2026 Mobin Akhter. All rights reserved.