| What it does | Free browser-based calculator showing every 2026 Etsy fee on a listing, including DDP tariff charges
| Free online Texas Instruments TI 84 Plus CE graphing calculator simulator for algebra, calculus, matrices, and standardized test prep
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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 | - Line-by-line breakdown of all 2026 Etsy fees
- Separate DDP tariff charge line
- 15% Etsy fee on tariff charge calculated
- Offsite Ads fee options (15% or 12%)
- Real-time updates as you type
- All calculations run in browser
- Chrome extension version available
| - High-resolution color graphing with function plotting and curve rendering
- Numerical derivatives and definite integrals for calculus
- Matrix operations and linear system solving with row reduction
- Statistical regressions and data list analysis
- Fullscreen mode with keyboard shortcut support
- TI-30XS MultiView scientific calculator mode
- Mobile responsive design with touch-friendly buttons
- Works on Chromebooks, iPads, Mac, Windows, and Linux browsers
- No installation, account creation, or downloads required
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| What makes it different | - No data is sent to servers; all processing happens in your browser
- Maintained and checked against published Etsy policy
- Same engine powers both web version and Chrome extension
| - Completely free with no paywalls, subscriptions, or account requirements
- Privacy-first architecture: calculations stay on your device, never transmitted to servers
- Accurate emulation of authentic Texas Instruments hardware syntax and functions
- Distraction-free learning environment with no ads or pop-ups
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| Community votes | 0 | 0 |
| DR (Domain Rating by Ahrefs) | 9 ▲ +2 (up) since last check | Not checked yet ● no change since last check |
| Trust Flow (Majestic) | 9 | 0 |
| Citation Flow (Majestic) | 18 | 18 |
| Referring domains (Majestic) | 6 | 2 |