| What it does | Pro rata calculator for insurance premiums
| 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 | - Calculates earned and unearned premium by policy dates
- Shows daily rate and pro rata factors
- Displays full calculation formula with your numbers
- Handles leap years with actual calendar days
- Two cancellation-date rules: first day not covered or last covered day
- Provides total policy days, earned days, and unearned days
- Estimates straight-line pro rata return premium
- Calculations run locally in your browser
| - 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 | - Transparent straight-line pro rata calculation without fees, penalties or taxes
- Accounts for leap years and actual calendar days automatically
- Shows the complete formula filled in with your own policy numbers
| - 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 |
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| DR (Domain Rating by Ahrefs) | Not checked yet ● no change since last check | Not checked yet ● no change since last check |
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| Trust Flow (Majestic) | 1 | 0 |
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| Citation Flow (Majestic) | 17 | 18 |
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| Referring domains (Majestic) | 12 | 2 |
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