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Polynomial visualiser - Arhub apps

Dive into Quadratics with the Polynomial Visualizer Unlock the beauty of parabolas at Quadratic Polynomial Visualizer , a browser-based tool designed for students, educators, and math enthusiasts. Whether you’re grappling with homework problems or exploring the geometric underpinnings of quadratic functions, this single‐page app puts full control in your hands. No sign-ups, no ads—just pure, interactive exploration of $ax^2 + bx + c$. Craft Your Own Parabola Start by entering your coefficients $a$, $b$, and $c$ to define the quadratic expression. Specify an $x$-range minimum and maximum to zoom in on areas of interest—perhaps a narrow window around the vertex or a broad span to inspect end-behavior. Hit Update Graph to instantly redraw the curve, or Reset to return to the default $a=1, b=0, c=0$. This hands-on coefficient slider approach makes it effortless to see how changing each term shifts, stretches, or flips the parabola. Analyze Key Features & Data ...

Optifit - Arhub apps

Discover OptiFit: Your All-in-One Health Companion

Welcome to OptiFit, a sleek, privacy-first web app designed to make tracking your body metrics effortless. At its core, OptiFit offers a BMI calculator, body-fat estimator, and ideal-weight finder—all wrapped into a single, responsive page. Whether you prefer metric or imperial units, a simple toggle lets you switch seamlessly, and intuitive form fields guide you through entering weight, height, age, gender, and body circumferences.

Empower Your Progress with History Tracking
Unlike standalone calculators, OptiFit’s History tab ensures you never lose sight of your journey. Every result is automatically logged in your browser’s local storage, so you can review past entries, spot trends, and celebrate milestones over time. A clear-history button lets you start fresh whenever you’re ready to set new goals. Best of all, no personal data ever leaves your device—your privacy stays protected.

Clean Design, Smart Technology
Built entirely with HTML, CSS, and JavaScript in a single file, OptiFit runs hassle-free on desktops and mobiles alike. It leverages the U.S. Navy circumference formula for body-fat estimation and the Devine formula for ideal-weight ranges, adjusted by frame size and gender. Thoughtful validations, live category coloring, and contextual advice messages make the user experience both informative and engaging.

Get Started Today
Ready to take control of your health metrics? Visit OptiFit now to calculate your numbers, track your history, and set personalized goals—all without logging in. Feel free to explore the source, fork the project, or suggest enhancements. Your path to better health starts here!

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