Quick Graph vs Proportia

It is a powerful, high-quality graphing calculator that takes full advantage of the multitouch display and the powerful graphing capabilities of the iPad and iPhone, both in 2D and 3D. "The app you need to survive the next semester." -- Gizmodo A simple yet intuitive interface makes it easy to enter and/or edit equations and visualize them in mathematical notation. It's capable of displaying explicit and implicit (opt) equations as well as inequalities (opt) in both 2D and 3D, in all standard coordinate systems: cartesian, polar, spherical, and cylindrical, all with fantastic speed and beautiful results, which can be copied, emailed or saved to the photo library. It also includes an evaluation feature to evaluate equations at specific points and a library where you can store commonly used equations. Up to 6 equations can be visualized simultaneously in both 2D and 3D modes; this limitation can be removed by purchasing the advanced feature set. Features: - Enhanced 2D - 3D plotting mode for great hi-res graphics. - Adaptive 2D algorithms. - Hyperbolic and Inverse functions. - Functions such as Min, Max, if. - Configurable axis decimal / π - Independent 2D zoom - Support for cartesian, polar, cylindrical, and spherical coordinate systems. - Interactive expression evaluation. - Library for commonly used equations. - Swipe to delete equations from the equation list. - Save to photo library. - Copy to clipboard. - Turn graphs on/off - Drag to rotate - move. The advanced feature set gives you access to: - External screen support - 2D tracing. - 2D and 3D implicit graphs. - 2D and 3D inequalities. - Roots and Intersections (2D) - Value Table - More features to come! Please visit the website for more details.

Proportia turns numbers into clear, proportional visuals—simple, elegant, and powerful. Boost numeracy, grasp ratios, and compare values effortlessly with dynamic shapes. Perfect for students, teachers, and pros. No clutter, just clarity. What is Proportia? Proportia is a straightforward visualization app that lets you compare two numerical values through dynamic, customizable shapes—circles, rectangles, or bars—that scale proportionally to reflect their ratio. With a single tap, see how one value measures up against another in a way that’s instantly clear and beautifully simple. From budgeting to teaching, Proportia makes numbers meaningful. Key Features - Dynamic Visualization: Pick circles, rectangles, or bars that resize automatically based on your values. Choose to display them touching at the center or separately centered—simple and effective. - Interactive Value Entry: A built-in calculator makes entering or tweaking values a breeze. It handles mathematical expressions with proper operator precedence for quick calculations. - Rich Customization: Customize with 8 color options per shape and independent settings for top and bottom visuals—all through a clean, simple menu. - Real-Time Feedback: Watch your changes take shape instantly as you adjust values or settings. Why Use Proportia? Proportia’s simplicity is its strength. This inexpensive app delivers a powerful visual aid without overwhelming you, making it perfect for: - Building Numeracy: Ideal for students and teachers, Proportia simplifies proportions and ratios with visuals that stick. - Everyday Comparisons: See how an expense fits into your checking account or how big Earth is compared to the Sun—made simple. - Data Visualization: Get a clear, proportional sense of sales data, performance metrics, or budgets in seconds. - Decision-Making: Compare options visually to decide with confidence, no complications needed. Elegant, User-Friendly Design Proportia’s clean, distraction-free dark theme and portrait orientation keep things simple and focused. With intuitive touch controls and a minimal interface, it’s easy to use from the moment you open it. Whether you’re a visual learner or just want a hassle-free way to understand numbers, this small app packs a big punch. Practical Examples - Education: Teachers can simplify proportion lessons with a tool students instantly get. - Finance: Visualize spending versus savings in a snap. - Science: Compare sizes like Earth to the Sun with elegant clarity. - Business: Share performance data with colleagues simply and effectively. Proportia is an elegant data visualization tool that strips away the noise and lets you see what numbers really mean. Download now and experience the beauty of simplicity in action!