| What it does | Free roof pitch calculator for rise, run, degrees, slope, and multiplier
| Free online Texas Instruments TI 84 Plus CE graphing calculator simulator for algebra, calculus, matrices, and standardized test prep
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| Pricing model | Free
| Free
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| Pricing | Not given
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| Key features | - Converts rise and run to pitch ratio (X:12 format)
- Displays roof pitch in degrees
- Computes pitch multiplier for area conversion
- Calculates rafter length
- Roof area calculator for sloped surfaces
- Shingle bundle quantity calculator
- Transparent formula display
- Input mode selection for rise/run, angle, or slope percent
| - 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 | - Free with no signup, account, or sales-quote forms required
- Transparent formulas and calculation methodology
- Automated checks for pitch conversions and invalid inputs
- Multiple interconnected roof calculators in one suite
| - 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) | 19 | 0 |
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| Citation Flow (Majestic) | 22 | 18 |
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| Referring domains (Majestic) | 12 | 2 |
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PitchCalc
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