| What it does | Free grading calculator and printable chart for teachers
| Free online calculators for finance, health, salary, loans, and everyday decisions
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| Stage | Not given
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| Founded | Not given
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| Based in | Not given
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Three grading scales (standard, strict, lenient)
- Printable grading charts
- Half-point deductions
- GPA points column
- CSV export for spreadsheets
- Up to 200 questions
- Offline functionality
- No data collection
| - Amortization calculator with extra payment options
- Salary converter across 8 pay frequencies
- Mortgage calculator with taxes, insurance, PMI and HOA
- Compound interest calculator with monthly contributions
- Metric and imperial unit toggles
- Offline support via progressive web app installation
- Step-by-step guides explaining calculator formulas
- Mobile responsive design supporting 320px phones
- Nine language translations with right-to-left support
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| What makes it different | - Instant calculation with no manual math required
- Privacy-first design with no student data storage
- Built specifically for teachers' workflow
| - Every calculator shows its formula and worked example so results can be verified
- All calculations run locally in browser with no data collection or account required
- Formulas traced to primary sources and tested against boundary cases before publication
- Independent editorial team accountable for accuracy with no guest posts
- Corrections treated as normal work with public revision dates
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 1 ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 1 | 1 |
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| Citation Flow (Majestic) | 20 | 15 |
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| Referring domains (Majestic) | 4 | 3 |
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EZGrader
Miryori