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Quick Graph

Quick Graph

Scientific Graphing Calculator

405 ratings
1304 reviews
📚 Education
🔧 Utilities
Free
In-App Purchases

Details

  • Released
  • Updated
  • October 6, 2008
  • June 27, 2023

Features

Developer

KZ Labs
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Quick Graph screenshot #1 for iPhone
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Quick Graph screenshot #5 for iPhone
Quick Graph screenshot #6 for iPhone
iphone
ipad
🧾$1.99
In-App Purchase↘︎
📌Ready
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⭐1.3K
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❓5 answered
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📦w/o updates
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About

This powerful graphing calculator leverages multitouch displays for 2D and 3D equation visualization. It supports various coordinate systems and offers features like equation editing, evaluation, and a library for storing common formulas. Advanced features are available through an in-app purchase.

✓2D and 3D graphing
✓Multiple coordinate systems
✓Equation evaluation
✓Equation library
✓Copy/email/save graphs
✓Implicit and inequality graphing (advanced)
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What users say

Summarized from real user reviews of Quick Graph. Based on 405 reviews and a 4.6/5 average, it highlights the 14 positives and 9 negatives reviewers mention most about this Education app.

Positive things

  • 🚀Beautiful display
  • 🚀Quick and straightforward equations entry
  • 🚀Configurable axes and easy translation
  • 👍Wonderful and beautiful app
  • 👍Long tradition of working well
  • 👍Easy and pretty graphed
  • 👍Helping with grades
  • 👍Life saver
  • 👍Excellent, easy to use
  • 👍Great learning tool for students
  • 👍Fantastic, simple to use
  • 👍Accurate and easy to use
  • 👍Brilliant, simple app
  • 👍Excellent graphing app

Negative things

  • 🐛Can't really graph polar
  • 🐛Redesign stinks
  • 🐛Few options for tablet version
  • 🐛Confusing design
  • 🐛Horrible manual
  • 🐛Crashes when trying to type certain equations
  • 🐛Unusable after update
  • 🐛Features missing after update
  • 🐛Lacks basic features compared to other apps
See all reviews

What's New in Quick Graph

3.0.1

June 27, 2023

- Fixes an iPad issue in which multiple open documents could display the wrong content. - Fixes issue with the value table if mixed coordinate systems were present. - Other bug fixes and performance enhancements.

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In-App Purchases

$1.99

Advanced Features

Permanent unlock of premium features.

User reviews

Most RecentHighest RatedLowest Rated

Mi app favorita para graficar

La aplicación es súper buena y ofrece muchas herramientas. La versión premium permite hacer muchas cosas interesantes que, para un estudiante de ingeniería o ciencias exactas, es demasiado importante.
VacoumerVacoumer

다좋아요!!!! 근데…

다 좋은데 절댓값이 있는 그래프도 그릴 수 있게 해주세요!!!
링딩덩동링딩덩동

iOS26でライセンス有料版利用不可

iOS26へアップデート後
advanced features がunkownエラーとなってしまう。
mono1356mono1356

Beautiful Display, Easy Equations Entry

Quick Graph has a beautiful display and quick and straightforward equations entry. The display axes are configurable for scale, and the entire display can be translated easily with your thumb, allowing you to observe the behavior of the function over different ranges of abscissa and ordinates. High quality.
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Bill-from-SFBill-from-SF

Wonderful

This is such a beautiful app! Thanks
W. G. Love Jr.W. G. Love Jr.
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User experience

🐞

Reported Bugs

5 issues

Crashes when trying to save to photos

Bug

Equations not visible when projecting to external display

Bug

Incorrect rendering of some functions like y=tan(x)*x

Bug

Degradation in 3D plot quality when zooming out

Bug

Equations not working as expected for simple cases like x+y=0

Bug
✨

Requested Features

25 requests

Display 3D surface with variable opacity or as wireframe

Feature

Ability to define and display functions over a certain interval

Feature

Ability to define and display parametric equations

Feature

Ability to move cursor around within a function while typing

Feature

Ability to animate equations with a parameter

Feature

Ability to graph complex functions

Feature

Ability to graph vector fields and slope fields

Feature

Ability to graph parametric surfaces

Feature

Ability to add vectors of given magnitude and direction

Feature

Ability to add points in space using different coordinate systems

Feature

Ability to add text labels in 3D space

Feature

Ability to select and remove parts of 3D surfaces

Feature

Ability to sum n terms of series

Feature

Ability to graph inequalities

Feature

Ability to graph Euler's formula

Feature

Ability to identify coordinates of intersections and zeroes

Feature

Ability to move and rotate the 3D axes

Feature

Ability to change line weight and style for each function

Feature

Ability to define and display functions in polar coordinates

Feature

Ability to graph complex functions in the complex plane

Feature

Ability to graph parametric equations in 3D

Feature

Ability to graph vector fields

Feature

Ability to display equations of asymptotes or tangents on polar graphs

Feature

Ability to change the window/domain and range of the graph

Feature

Ability to change the frequency of points calculated

Feature

FAQ

What does Quick Graph do?

Quick Graph is a scientific graphing calculator that allows users to visualize mathematical equations in both 2D and 3D. It supports various coordinate systems and offers features for entering, editing, and evaluating equations.

What are the key features of Quick Graph?

Key features include enhanced 2D and 3D plotting, support for multiple coordinate systems (cartesian, polar, spherical, cylindrical), interactive expression evaluation, and a library for storing commonly used equations. Graphs can be copied, emailed, or saved.

Is Quick Graph free to use?

The app is free to download and use with its core features. An advanced feature set, which includes 2D tracing, implicit graphs, inequalities, and root/intersection finding, is available through an in-app purchase.

What devices is Quick Graph compatible with?

The application is designed to take full advantage of the multitouch display and graphing capabilities of both iPads and iPhones.

Who would benefit from using Quick Graph?

This app is ideal for students studying mathematics, engineering, or science, as well as professionals who need a reliable tool for visualizing complex equations and understanding mathematical concepts.