| What it does | Free attendance calculator for students to track how many classes they can safely miss
| Free BMI calculator using WHO formula with instant results in metric or imperial units
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| Pricing model | Free
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| Pricing | Not given
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| Key features | - Calculate how many remaining classes can be missed while staying at target
- Determine how many consecutive sessions must be attended to recover if below threshold
- Track attendance for multiple subjects separately
- Browser-based with no sign-up or account required
- All calculations performed locally without sending data to servers
| - Instant BMI calculation with metric or imperial units
- WHO formula for BMI calculation
- Results in both kg/cm and lb/feet-inches without manual conversion
- BMI category classification with weight range guidance
- No data storage or registration required
- Explanatory content on BMI limitations and proper interpretation
- Cited sources from WHO, CDC, and national health organizations
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| What makes it different | - No account or sign-up needed – instant access with no data collection
- All calculations happen in your browser – attendance data never leaves your device
- Supports multiple institutional requirements with 75%, 80%, 85%, and 90% target options
- Tracks multiple subjects simultaneously to prevent any single module from sliding below threshold
- Built and maintained by a single developer focused on honest, accurate answers
| - Uses only primary medical sources verified before publication
- Works without internet or data storage in browser
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
| Trust Flow (Majestic) | 1 | 0 |
| Citation Flow (Majestic) | 19 | 0 |
| Referring domains (Majestic) | 3 | 0 |