GraphMath vs CircleMap

This graphing calculator is user friendly and powerful.  It is fully compatible with iOS 14 and 15, and mostly compatible with iOS 13 and Mac OS. Cartesian 3D Z = F (X, Y) functions:  ——————————————————— Graphs can be:  1. Drawn as surface, lines, or dots. 2. Drawn with or without perspective, and with different light and reflection settings. 3. Tilted up or down. 4. Rotated to any position. 5. Drawing is animated by either X, Y, or Z. Table of all points can be sorted by either X or Y. Cylindrical 3D Z = F (Θ, R) functions:  ——————————————————— Graphs can be:  1. Drawn as surface, lines, or dots. 2. Drawn with or without perspective, and with different light and reflection settings. 3. Tilted up or down. 4. Rotated to any position. 5. Drawing is animated by Θ, R, or Z. Table of all points can be sorted by either Θ or R. Spherical 3D R = F (Θ, Φ) functions:  ——————————————————— Graphs can be:  1. Drawn as surface, lines, or dots. 2. Drawn with or without perspective, and with different light and reflection settings. 3. Tilted up or down. 4. Rotated to any position. 5. Drawing is animated by either Θ or Φ. Table of all points can be sorted by Θ, Φ, or R. Cartesian 2D Y = F (X) functions:  ———————————————— Graph displays the following curves: 1. One or two Y = F (X) functions. 2. Derivative of the first function. 3. Integral of the first function as a shade and a curve.  Graph features:  1. Drawing is animated by X. 2. Clicking on the curves shows curve values, and finds closest point in the table. Tables: 1.  All function, integral, and derivative values. 2.  Zero intersections of first function. 3.  Intersections between first and second functions. Polar 2D R = F (Θ) functions: ———————————————  Graph displays the following curves: 1. One or two R = F (Θ) functions. 2. Integral of the first function as a shade and a curve. Graph features:  1. Drawing is animated by Θ.  2. Clicking on the curves shows curve values, and finds closest point in the table. Tables: 1.  Table of all function and integral values  2.  Table of zero intersections of first function. 3.  Table of intersections between first and second functions. Parametric 2D X = F1 (T), Y = F2 (T) functions: —————————————————————————  Graph features:  1. Drawing is animated by T.  2. Clicking on the curves shows T, X, and Y values, and finds them in the table. Table of all points. F (X, Y) = 0  equations: ———————————— Graph displays solutions as points. Clicking on the points shows X, and Y values, and finds them in the table. Table of all points. Common features: —————————— 1. List of previous entries. 2. List of preset entries. 3. Undo and redo buttons for formula entries. 4. Automatic correction of errors in function limits or steps are offered. 5. All function points can be saved to clipboard in a table format. 6. All function points can be displayed on corresponding graphs. 7. Control colors can be changed to black and white. 8. Link to Vectors and Planes 3D Geometry Guide App. 9. Link to Matrix Calculator Step by Step App. Common features of all images:  1. Animation frames can be frozen and moved back or forward. 2. Animation speed can be adjusted. 3. Zoom. 4. Scroll. 5. Save to Clipboard. 6. Save to Photos 7. Color picker. New functions and further UI improvements for our apps are coming! Developers hope to get feedback at graphmath@aol.com.

Learning the Unit Circle can be tough—but it doesn’t have to be! Whether you’re preparing for a math test, brushing up on trigonometry, or just want a quicker way to recall key values, CircleMap turns study time into a fun, interactive experience—with two powerful learning modes. What is the Unit Circle—and How Does Polar Graphs Fit In? The Unit Circle is a powerful math concept that connects angles, radians, and coordinates to trigonometric functions. Mastering it is essential for high school and college trigonometry, precalculus, and calculus. But understanding only the Unit Circle isn’t enough—many students struggle to see how it relates to other systems like Polar and Cartesian coordinates. That’s why CircleMap includes Polar Graphs Mode, so you can input polar equations and instantly see them plotted in both Polar and Cartesian systems, making the connection crystal clear. Key Features Unit Circle Quiz Mode • Interactive Quizzes – Practice angles, radians, and coordinates in multiple quiz modes. • Customizable Focus – Choose degrees, radians, coordinates, or mix them for a full challenge. • Instant Feedback – See right away if you’re correct and track your score. • Adjustable Difficulty – Beginner-friendly or advanced challenge mode. • Optional Sound & Haptic Feedback – Make learning more engaging with audio and vibration cues. Polar Graphs Mode • Equation Input – Enter your own polar equations. • Dual-System Visualization – Instantly see your graph in both Polar and Cartesian forms. • Real-Time Exploration – Slide the value of θ to dynamically update the graph and watch how the Polar and Cartesian points change together. • Concept Reinforcement – Understand how the two coordinate systems connect through visual examples. Why You’ll Love It Unlike textbooks that only show static diagrams, CircleMap brings math to life. You’ll actively test yourself, explore polar equations, and see how concepts fit together—all in one app. Perfect for: • High school & college students studying trigonometry, precalculus, or calculus • SAT, ACT, AP Calculus, or AP Trigonometry preparation • Anyone who wants to strengthen their math foundation in a fun, visual way Once You Truly Understand… With CircleMap, you’ll: • Recall Unit Circle values faster and more accurately • See exactly how Polar and Cartesian systems connect • Solve trigonometric and coordinate geometry problems with confidence Start Learning Today The Unit Circle and Polar–Cartesian connection don’t have to be intimidating. With CircleMap, you’ll gain confidence, accuracy, and speed—all while having fun. Download CircleMap now—two modes, zero ads, and 100% free.