Open Study Contributor

Unabhängige AEVO-Karteikarten zu Planung, Einstellung, Durchführung und Abschluss der Ausbildung – mit Fällen, Begriffen und klaren Abgrenzungen.

• 150 कार्ड
• de

Review all 8 AP Biology units with original flashcards for concepts, pathways, experimental design, data interpretation, and FRQ reasoning.

• 540 कार्ड
• en

Review all eight AP Calculus AB units with formula conditions, theorem hypotheses, notation, graph interpretation, and concept cards.

• 288 कार्ड
• en

Review all nine AP Chemistry units with 450 cards covering concepts, models, equations, calculation setup, and laboratory reasoning.

• 450 कार्ड
• en

A 400-card AP Physics 1 review of concepts, formulas, graphs, experiments, and reasoning across all eight course units.

• 400 कार्ड
• en

Review all five AP® Psychology units with 705 independently written cards covering concepts, scenarios, research methods, data interpretation, and evidence-based reasoning.

• 705 कार्ड
• en

Review all five revised AP Statistics units with 250 original cards on data, study design, probability, inference, and regression.

• 250 कार्ड
• en

A 520-card APUSH review of chronology, evidence, causation, comparison, continuity, change, and theme links across all nine periods.

• 520 कार्ड
• en

Review 220 original ASVAB flashcards covering vocabulary, math formulas and setup patterns, science, electronics, auto and shop knowledge, mechanics, and bounded spatial concepts.

• 220 कार्ड
• en

Review SAA-C03 architecture choices through 300 original cards on security, resilience, performance, and cost trade-offs.

• 300 कार्ड
• en

हिंदी में स्वतंत्र फ्लैशकार्ड: भारतीय संविधान के महत्वपूर्ण अनुच्छेद, भाग, अनुसूचियाँ, अधिकार, कर्तव्य और संस्थाएँ।

• 141 कार्ड
• hi

独立筛选的 300 个 CET-4 范围核心词目：用简短英文提示回忆中文核心义，并通过常用搭配、与目标义一致的词族线索和原创双语例句巩固理解。

• 300 कार्ड
• zh

用约480张原创简体中文闪卡复习 CFA Level III 共同核心与 Portfolio Management 路径，覆盖资产配置、组合构建、业绩评估、衍生品、伦理、权益、固定收益与交易执行。

• 480 कार्ड
• zh

Practice major and minor keys, spelled key signatures, relative-key pairs, accidental order, and neighboring circle positions.

• 87 कार्ड
• en

Practice coding interview patterns with 210 English flashcards on problem signals, invariants, complexity, edge cases, and choosing between approaches. Language-agnostic DSA review to pair with hands-on coding.

• 210 कार्ड
• en

Study 88 cards on common network ports, TCP/UDP transports, service uses, port ranges, and practical protocol distinctions.

• 88 कार्ड
• en

年号の丸暗記ではなく、重要事件の前後関係・原因・結果まで日本語で反復できる非公式の学習カード。

• 150 कार्ड
• ja

Review current CompTIA A+ V15 Core 1 and Core 2 objectives with original flashcards for hardware, networking, operating systems, security, commands, and troubleshooting.

• 520 कार्ड
• en

Prepare for CompTIA Network+ N10-009 with 250 original cards covering all five domains through focused recall, configuration choices, operations decisions, security, and troubleshooting scenarios.

• 250 कार्ड
• en

Tarjetas de la Constitución Española para oposiciones: memoriza los 169 artículos, títulos, órganos, reformas, disposiciones, plazos y mayorías clave.

• 242 कार्ड
• es

Learn all 12 cranial nerves with 84 focused cards on names, numbers, classification as sensory, motor, or mixed, core functions, and safe high-level exam cues.

• 84 कार्ड
• en

Practica la elección productiva de conectores y expresiones para hablar y escribir en español B2, con contexto, registro, sintaxis, puntuación y alternativas válidas.

• 80 कार्ड
• es

Practice Digital SAT math formulas, grammar rules, transitions, and words in context with original, installable flashcards built for active recall.

• 300 कार्ड
• en

Независимые карточки для отработки ударений и трудных форм ЕГЭ-2026: слово, нормативное произношение, контраст и короткий контекст.

• 192 कार्ड
• ru

Карточки по истории России для ЕГЭ: даты, события, ключевые личности и выбранные причины и последствия — от Руси до 2022 года.

• 821 कार्ड
• ru

Карточки на русском для повторения терминов, признаков, классификаций и связей по обществознанию без копирования экзаменационных заданий.

• 217 कार्ड
• ru

英検®2級レベルの重要英単語を、日本語の意味・使い分け・短い例文で反復できる非公式フラッシュカード集です。

• 210 कार्ड
• ja

300 unabhängig formulierte deutsche Lernkarten zum Wissen hinter den allgemeinen BAMF-Fragen – ohne die 10 landesspezifischen Fragen.

• 300 कार्ड
• de

Practice neutral-atom ground-state electron configurations for every named element, with NIST-based shorthand and clearly labeled predictions.

• 131 कार्ड
• en

54 English flashcards on 24 everyday phrasal-verb senses: meanings in context, sentence completion, and noun or pronoun word order.

• 54 कार्ड
• en

Repasa reglas, señales y seguridad vial de California con tarjetas en español basadas en fuentes actuales del DMV, sin copiar preguntas reales.

• 232 कार्ड
• es

Review common FE equations, variable meanings, units, assumptions, conversions, and searchable handbook navigation.

• 276 कार्ड
• en

86 flashcards on fraction, decimal and percent conversions, exact and rounded equivalents, mixed-value comparisons, and common mistakes.

• 86 कार्ड
• en

115 visuelle Karteikarten: deutsche Verkehrszeichen erkennen, ihre Bedeutung abrufen und das richtige Verhalten für Klasse B üben.

• 115 कार्ड
• de

ITパスポートの先へ進む学習者向けに、科目Aの主要概念を用語・比較・計算・状況判断・関係や順序の5つの取り出し方で反復する、日本語の独立学習用デッキです。

• 360 कार्ड
• ja

按真实前置关系先引入基础，再将公式、切线、单调性、极值与区间最值、含参与证明交错穿插，练习高考导数中的公式回忆、条件判断和题型入口；不收录真题、评分细则、课程标准原文或超出高中范围的系统微积分内容。

• 76 कार्ड
• zh

300 original flashcards for current-format GMAT Quant, Verbal, and Data Insights concepts, cues, and reusable decisions.

• 300 कार्ड
• en

Unabhängige B1-Karteikarten für prüfungsrelevanten Wortschatz, klare Bedeutungen und kurze Beispiele. Nach Themen geordnet und kostenlos lernbar.

• 288 कार्ड
• de

Review 90 core concepts for the 2026–2030 U.S. Technician Class exam across all ten NCVEC subelements.

• 90 कार्ड
• en

Study 105 cards on organization levels, 11 organ systems, representative organs, core functions, and homeostasis. This model counts integumentary separately and combines lymphatic/immune.

• 105 कार्ड
• en

Review the current IB Biology Standard Level course with 960 independently written active-recall cards covering all 34 SL topics across molecules, cells, organisms, genetics, evolution, and ecology.

• 960 कार्ड
• en

80 بطاقة لمفردات IELTS Academic: معنى عربي أولاً، ثم الاستعمال المناسب، والتلازمات الشائعة، وأمثلة إنجليزية أصلية قصيرة.

• 80 कार्ड
• ar

भारत के 106 राष्ट्रीय उद्यानों को राज्य या केंद्र शासित प्रदेश से जोड़ें और चुने हुए अधिसूचना वर्ष, प्रमुख वन्यजीव व उलटी राज्य-से-उद्यान दिशा का अभ्यास करें।

• 153 कार्ड
• hi

ITパスポート 単語帳として、シラバスVer.6.5の重要用語と基礎概念425項目を、3分野の日本語フラッシュカードで復習できます。

• 425 कार्ड
• ja

Study 170 independently selected post-N5 kanji through word recognition, contextual spelling, and reading or usage distinctions.

• 400 कार्ड
• en

独立编写的英语（一）核心词汇卡：中文释义、词族、搭配、辨析与原创语境。

• 360 कार्ड
• zh

Practice essential Linux terminal commands through 100 task-first cards on paths, files, search, pipes, permissions, processes, archives, and system checks.

• 100 कार्ड
• en

Memorize MCAT physics and chemistry equations with variables, units, conditions, and original when-to-use examples—not a bare formula dump.

• 180 कार्ड
• en

Study common clinical abbreviations across 90 flashcards with concise expansions, plain-English context, and six ambiguity and safety checks—for terminology review, not clinical decisions.

• 90 कार्ड
• en

Installable practice for interval names, semitone counts, inversions, identification, and spelling-aware construction in written music theory.

• 181 कार्ड
• en

NCERT कक्षा 10 विज्ञान अध्याय 2 के लिए स्वतंत्र हिंदी फ्लैशकार्ड—सूचक, pH, उदासीनीकरण, अभिक्रियाएँ और उपयोगी लवण, छोटे उदाहरणों सहित।

• 72 कार्ड
• hi

日商簿記3級の仕訳を取引と決算整理から反復。大半は仕訳を答え、少数は借方・貸方や残高の考え方を確認する独立教材です。

• 156 कार्ड
• ja

Study the current NREMT EMT test plan with original flashcards for scene safety, assessment, treatment, transport, and operations.

• 360 कार्ड
• en

面向教师资格考试301《综合素质》（中学）的166张简体中文闪卡，复习五大模块的核心概念、法规责任、应用判断与易混辨析。

• 166 कार्ड
• zh

Practice 19 organic functional-group families with 57 cards on condensed structures, name-to-connectivity recall, and distinctions between easily confused groups.

• 57 कार्ड
• en

Review 88 concise cards on atomic and ionic radius, shielding, effective nuclear charge, ionization energy, electron affinity, electronegativity, metallic character, exceptions, and comparisons.

• 88 कार्ड
• en

Study 126 cards on 30 common drug classes: mechanisms, qualified generic-name patterns, common uses, and major safety concepts for nursing and introductory health science.

• 126 कार्ड
• en

بطاقات عربية مستقلة لمراجعة القواعد الكمية وأنماط العلاقات اللفظية مع أمثلة أصلية قصيرة، من دون نسخ أسئلة الاختبار.

• 144 कार्ड
• ar

Repasa 125 tarjetas sobre señales, órdenes, semáforos y marcas viales clave del permiso B según el catálogo español vigente.

• 125 कार्ड
• es

Practice all 7 SI base units and 22 derived units with special names: quantities, symbols, and base-unit expressions in one installable deck.

• 110 कार्ड
• en

Build a practical Spanish A1 vocabulary base with 480 cards covering 400 beginner words and phrases, gender-aware nouns, useful regional notes, and selective Spanish production.

• 480 कार्ड
• en

Choose and conjugate the Spanish preterite or imperfect in 160 original context questions, paired contrasts, and four short stories for A2–B1 practice.

• 160 कार्ड
• en

Memoriza nombres, símbolos y números atómicos de los 118 elementos con tarjetas bidireccionales en español y orden de estudio progresivo.

• 354 कार्ड
• es

مراجعة عربية مستقلة وغير رسمية لمفاهيم أحياء التحصيلي العلمي عبر 180 بطاقة قصيرة قابلة للاستدعاء.

• 180 कार्ड
• ar

Study the 12 current TOEFL iBT task types with 180 original cards on vocabulary, sentence patterns, task decisions, and reusable strategy cues.

• 180 कार्ड
• en

Study 90 English flashcards: four triad-quality rules plus 43 root-position major, minor, diminished, and augmented chords in both spelling and identification directions.

• 90 कार्ड
• en

84 truth-table flashcards on logical connectives, material conditionals, nested expressions, equivalence, and counterexamples, with short explanations.

• 84 कार्ड
• en

Study world history from 1200 to the present with 500 sourced cards on chronology, exchange, states, revolutions, conflict, globalization, and source analysis.

• 500 कार्ड
• en