| What it does | Browser-based grade calculator for weighted course grades, final planning, and GPA estimates
| Free epoxy resin calculator for mold batches, casting voids and tabletop coatings
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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 | - Calculate weighted course grades from multiple assignments and assessments
- Support for multiple grade formats including percentages, letter grades, and points
- Final exam score planning to reach a target grade
- Customizable letter grade scales for different schools and instructors
- Display both raw and weighted grade averages
- Support for semester, quarter, and high school grades
- GPA point calculations with letter-grade conversion
- No account required to use calculators
- Browser-based access with save functionality
| - Calculate mold cavity volumes from dimensions or enter known volumes
- Combine multiple molds and piece counts in a single batch plan
- Split totals using product volume or weight ratios
- Add material allowance percentages for wastage
- Estimate kit quantities and material costs
- Support metric and US imperial units
- Save projects locally in browser without creating an account
- Export batch sheets as PDF or CSV
- Calculate deep pour epoxy with layer allocation
- Calculate tabletop coatings with edge coverage
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| What makes it different | - Handles partial course weights that do not add up to 100 percent
- Distinguishes between raw averages and weighted averages to show individual assignment impact
- Automatically converts between percentages, points, and letter grades using customizable scales
- Estimates the exact final exam score needed to achieve a target grade
- Works without requiring account creation or login
| - Published formulas and methodology transparent with no proprietary hidden calculations
- Calculations cross-checked against a separate Python implementation using 100-digit decimal arithmetic
- Handles irregular molds using known volumes without forcing geometry estimates
- Shares batch plans via URL without storing projects on servers
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| Community votes | 0 | 0 |
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| DR (Domain Rating by Ahrefs) | 8 ● no change since last check | 1 ● no change since last check |
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| Trust Flow (Majestic) | 8 | 0 |
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| Citation Flow (Majestic) | 25 | 19 |
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| Referring domains (Majestic) | 16 | 6 |
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GradeCal
ResinBatch