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📊 Learning Overview

Question Bank

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📝 Practice History

Questions practiced
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Cumulative practice
Average accuracy
0%
All official records
Statistic mode
Study time (minutes)
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Days of consistency

Practice trend

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0% avg
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Range

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Practice heatmap

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Widgets

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📈 Practice history

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Once you begin practicing, records will be saved here automatically.

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⚙️ System settings

🔧 System management

System tools and configuration options

💾 Data management

Local disk backup (recommended), in-app snapshots, import/export. Clearing browser site data does not delete backups already saved to disk.

📊 System information

Question bank status: full index loaded
Total questions: 234
HTML questions: 232
PDF questions: 207
Last updated: 2026/09/04 21:12:40
Errors & diagnostics

Review events, export diagnostic reports, and manage local diagnostic history. Diagnostic reports do not include answers and are not learning backups; they only leave the device when you choose to share them.

The backup, import, and export functions in “Data management” do not include diagnostic history. “Clear data” performs a broader reset of site learning data, settings, and diagnostic history; diagnostic actions here do not trigger a full reset.

Diagnostic settings are not yet ready. Please keep the relevant pages open; if a startup issue warning appears, export diagnostics from that prompt.

✨ More tools

Explore additional study aids to help you prepare efficiently.

🎨 Theme switch

🏆 My achievements

Open-source project notice

Thank you for using this project. It is free software released under the GPL-3.0 License.

We explicitly oppose any resale, rebranding and redistribution, monetization, or commercial traffic generation using this project.

The original purpose of this project is free use, learning, and improvement, not as a tool for illicit profit.

Any distribution, modification, or republication must comply with the GPL-3.0 license, including publishing source code, retaining the open-source license, and respecting users' freedoms.