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Spaced repetition uses the SM-2 algorithm to schedule reviews at optimal intervals for maximum retention. The system automatically adjusts based on your performance, showing cards more frequently if you struggle and less often as you master them.

Yes! TrickFunda is a Progressive Web App (PWA) that works offline once you've viewed content at least once. All your notes, flashcards, and progress are cached locally for seamless offline access.

Navigate to any subject, click the "Create Flashcard" button, and add your question and answer. You can also add images, code snippets, and formatting to make your cards more effective.

Absolutely. We use industry-standard AES-256 encryption for data at rest and TLS 1.3 for data in transit. We never share your data with third parties and comply with GDPR and CCPA regulations.

We accept all major credit cards (Visa, Mastercard, Amex), PayPal, and various local payment methods depending on your region. All transactions are processed securely through Stripe.

Yes! You can export your notes in multiple formats including PDF, Markdown, and JSON. Go to Settings > Export Data to download all your content.

Achievements are unlocked by reaching milestones like study streaks, mastering flashcards, and completing quizzes. Each achievement comes with a badge and contributes to your overall learning score.

TrickFunda is a PWA, which means you can install it on your phone like a native app. Just visit the site on your mobile browser and tap "Add to Home Screen" for the full app experience.