Interactive tutorials
Learn by doing with interactive content, images, videos, audio and exercises. Pick a subject and put the knowledge into practice during the tutorial.
Describe and understand daily routines using Spanish reflexive verbs. Practice pronoun agreement, common stem changes, natural expressions for personal care, and pronoun placement with infinitives, then write a connected routine of your own.
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Use the French subjunctive to express emotion, doubt, and necessity with precision. Choose between the subjunctive, indicative, and infinitive, interpret nuanced expressions, and select the right tense in realistic communication.
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Learn to describe completed past events using the passé composé with avoir. Build affirmative sentences, negatives, and questions; use common irregular participles; handle object pronouns and agreement; and write a short account of what happened.
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Learn to greet someone, exchange names, ask how they are, and say goodbye in French. Practice short conversations and choose polite or casual expressions for everyday situations.
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Design, diagnose, and evaluate advanced RAG systems using an engineering-documentation case study. Make evidence-based decisions about indexing, hybrid retrieval, reranking, grounded generation, evaluation, security, and operational trade-offs. Exercises use supplied documents, traces, and small Python examples without requiring external services.
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Build and evaluate prompts that combine few-shot examples, clearly scoped roles, and structured reasoning. Practice with a self-contained support-triage case, learn when each technique helps, and assess outputs for accuracy, consistency, and unsupported claims. No coding or separate AI tool is required.
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Learn what AI is, how models learn from examples, and how they produce predictions or generated content. By the end, you will be able to explain a simple AI workflow, recognize common limitations, and choose practical checks for using AI responsibly.
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Use the Spanish imperfect subjunctive accurately in past reports, hypothetical conditions, wishes, and polite requests. Learn to choose forms and moods according to time, speaker perspective, and communicative intent, then apply them in a coherent Spanish message.
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Learn to greet people, exchange names, respond politely, ask how someone is, and say goodbye in Spanish. By the end, you will be able to take part in a short introduction using casual or polite language.
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Design privacy-conscious remarketing and lookalike audience strategies, translate them into platform targeting controls, and evaluate their incremental business impact. Use realistic cases to practice segmentation, seed selection, campaign planning, experimentation, and optimization without requiring access to an advertising account.
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Plan a connected top-, middle-, and bottom-of-funnel campaign by matching audience intent with content, calls to action, and measurable goals. Use funnel data to identify a bottleneck and recommend a focused improvement.
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Learn to use customer evidence to identify audience segments, choose a priority group, and create a practical target audience brief. Connect your audience’s needs to relevant marketing channels and messages, then plan how to test your assumptions.
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Evaluate a simple business investment using net present value, internal rate of return, and payback. Calculate key results, apply decision rules, compare conflicting signals, and explain how uncertain assumptions affect a recommendation.
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Create a coherent business plan that connects customer evidence, competitive positioning, marketing, operations, and financial projections. You will learn to document assumptions, estimate funding needs, evaluate risks, and tailor an executive summary to your intended reader.
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Learn to recognize entrepreneurial opportunities, connect customer problems to valuable solutions, and plan a small, responsible test. Use evidence to decide whether to continue, adapt, or stop an idea.
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Find what is filling your Windows drive, safely remove unnecessary files and apps, move or offload large files, and configure automatic cleanup. Verify the space recovered and build a maintenance routine using your own PC. Windows 11 is the primary reference, with Windows 10 navigation differences noted.
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Build an About Me page on your own computer using HTML and CSS. Add structured content, links, and an image; style the page; make it fit smaller screens; and fix common mistakes.
Start tutorialCursa tutorials break each subject into small steps. Along the way you find explanations, images, videos, audio and interactive exercises to put the knowledge into practice. All of them are free.
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