**Category:**Education**Release Date:**2013-06-18**Current Version:**3.1.7**Adult Rating:**4+**Developer:**Desmos**Compatibility:**Android

Explore math with Desmos! Plot functions, create tables, add sliders, animate your graphs, and more -- all for free. At Desmos, we imagine a world of universal math literacy and envision a world where math is accessible and enjoyable for all students. We believe the key is learning by doing. To achieve this vision, we’ve started by building the next generation of the graphing calculator. Using our powerful and blazingly-fast math engine, the calculator can instantly plot any equation, from lines and parabolas up through derivatives and Fourier series. Sliders make it a breeze to demonstrate function transformations. It's intuitive, beautiful math. And best of all: it's completely free. Features: Graphing: Plot polar, cartesian, or parametric graphs. There’s no limit to how many expressions you can graph at one time - and you don’t even need to enter expressions in y= form! Sliders: Adjust values interactively to build intuition, or animate any parameter to visualize its effect on the graph. Try typing y=mx+b and adding sliders to get started. Tables: Input and plot data, or create an input-output table for any function. Statistics: Find best-fit lines, parabolas, and more. Calculus: Graph derivatives (d/dx) and explore key concepts by building secant and tangent line sliders. Graph Maclaurin Series (okay, all kinds of Taylor Series, but that guy gets no love...) Evaluate a definite integral (int) in an instant, or plot an integral with varying bounds. Zooming: Scale the axes independently or at the same time with the pinch of two fingers, or edit the window size manually to get the perfect window. Points of Interest: Touch a curve to show maximums, minimums, and points of intersection. Tap the gray points of interest to see their coordinates. Hold and drag along a curve to see the coordinates change under your finger. Scientific Calculator: Just type in any equation you want to solve and Desmos will show you the answer. It can handle square roots, logs, absolute value, and more. Inequalities: Plot cartesian and polar inequalities. Offline: No internet access required. Visit www.desmos.com to learn more and to see the free online version of our calculator.

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#### Fantastic! 5/5

By EngineeringUndergradThis app is great! What can’t it do?! Why buy an expensive graphing calculator when you can download this app? The interface is more like what you see in class or your text book, and you don’t have to learn TI coding for it to do what you want. I have used it quite a bit for college algebra, trigonometry, precalculus, and calculus. I tutor math and it really helps visualize some of the function manipulations. It is a very powerful tool and a fantastic teaching aid. In lecture, my professors have asked to borrow my iPad so they can project the Desmos app’s graph for the whole class to see. The pinch and zoom feature is really nice and so are the sliders for variables. I do my homework using Notability and can copy and paste (or screenshot and paste) the graph right into my homework assignments. I also just discovered the derivative function. This might be wishful thinking, but it would be nice if there was an iPad/stylus interface where you could sketch a graph into Desmos and maybe have its derivative/integral shown. Overall the app is fantastic, I highly recommend it to any/all students taking math. It has taken my understanding of certain math concepts to a whole new level!#### ???? 2/5

By giordanromeythe latest update says “now with ios 9 support” but it ain’t mf 2015#### Black bars on top and bottom on iPhone X 1/5

By HaobepaHave the developers ever heard of uneven screen degradation on OLED screens? It’d be really cool if the app was actually optimized for the X instead of those #000000 black bars.#### Don’t know what’s going on. Every 3 minutes the app freezes. 1/5

By dpmituDon’t know what’s going on. Every 3 minutes the app freezes.#### Perfect 5/5

By A_jaleelEasy and powerful Helped me a lot🌷#### Mr silva! 5/5

By Atwoods biggest fanMr silvas class rocks with this brand new tool. Totally tubular dude!#### It won’t open 1/5

By MyshlWhenever I try to open it, it just keeps on loading forever. I can’t use it at all.#### Best School Graphing calculator 5/5

By Half of my bean saladI'm in a math 108 course in college, and this is the easiest, cheapest, sleekest graphing calculator around. User interface is bueno and well thought out. I can easily do my Maths now#### I found glitch 4/5

By thinbuddhaIf you zoom way out and then zoom in, your creation is stretched#### Blazing fast 5/5

By Eli LuberoffDesmos is bae#### Great app but… 3/5

By #JawesomeWhenever I try to get I to the app, it either crashes, or doesn’t let me in. I use des is on the computer all the time, but when I needed a relient portable calculator, the app didn’t do much.#### Can’t get inverse tangent 4/5

By BillReidHSBThe inverse tan function appears to be faulty (though I’m not a mathematician). For example, the simple trig coordinate problem tan to the -1 (inverse tan) (4/3) to find polar coordinates for the rectangular coordinates ithe point (3,4) returns 0.927... insread of the expected 53 degrees. A different calculator give the correct answer (53 degrees).#### Wow works great 5/5

By BxndjahsbisjshshhejaisjhdhsI love it so much and it helped me prepare for my math test. Thanks so much! I aced it!#### Missing One Thing 4/5

By AboodaunThe app is great but it’s missing a share feature, so that people can share their graphs just like the online version.#### No need for expensive graphing calculators 5/5

By P0ssum88Ever since my time in trigonometry I have used this app to pretty much do my homework for me and it has gotten me a 100 on every paper if I missed that question that was because I didn’t know how to operate the calculator which means I wouldn’t of been able to do it in the first place but this app is by far the best FREE and#### There is no cube root option 5/5

By MGA studentI love this app it really helps me visualize my math but there is no option for cube roots and I know that you can just cube the other side of the equation but it is really frustrating for some things#### By far the best 5/5

By Adam_best77Awesome graphing app! I highly recommend this to my friends and they absolutely love it. Only wish it’s adapted for iPhone X#### The mother of all graphing calculators 5/5

By reybakoAmazing what this App does. I was amazed at the curve fitting capabilities and the calculus (area under the curve/integral) capabilities. I encourage users to see the calculus example. I used to do all these with numerical methods in huge Univac computers and now comes in an App. Amazing. Keep up the good work and thanks for sharing. It’d be great to be able to cut and paste or import rather than input one by one the regression data. Also it’d be nice to be able to cut and paste the formulas.#### Awesome but needs additional features 5/5

By MutterbafoonnnThis is the best graphing app on the store however updates containing new features are scarce. Complex numbers would be nice. In addition a function that can find the root of another function and return the root as a number. These are examples of features that I’m sure a lot of other users would like to see.#### Great app very useful 3/5

By Cringy criticHowever i find that it would benefit the app and its user if we had the option for a fraction maybe just give us a / sign#### Awesome without bound 5/5

By Edan q.Words cannot express how great this app is. It’s an all-purpose calculator with endless possibilities that I find myself tinkering with way too often. Suggestions: -allow multi-input functions to use lists as input -points can use 2-element lists as input -let functions be repeated a variable number of times: f^2(x) is the same as f(f(x)) (input only needs to be an integer) Thanks for making this awesome app!#### Great graphing calculator app! 5/5

By I like π.I rarely write 5-star reviews, but this is worth it. It's user-friendly and I rarely experience glitches when using it. It's good for elementary students, secondary students, college students, and others who use algebra, trigonometry, etc. It works well for computations and graphing. Personally, I like it more than my TI-84 Plus CE graphing calculator because it's easier to enter information and change the "viewing window" to answer specific questions. I think that this app's developer(s) are missing a valuable financial opportunity by making it free.#### iPad keyboard 4/5

By KaydogzHey I have an iPad and I used this app and it is great, but when I type with my external iPad keyboard on the app, it doesn’t work. If you could make it so you could type equations with the external keyboard then this app would be 11/10#### 10/10 5/5

By LinithebeanieHonestly a life saver. It helps a lot with homework.#### Very helpful to double check answers for hw! 5/5

By Aston villa manager👍#### Needs iPhone X optimization 3/5

By CuckooluckooThis app is great but the black bars really kill it if it was optimized it’d be 5 ✭#### By far the best, 100/5 stars 5/5

By 12344567788900827738837329262Best graphing calculator period. And it’s free? I wish I could give them more stars.#### Yay 4/5

By 😜🤗😅I can finally check my hw questions easier#### Horrible App 1/5

By Sherman LiangI don't have a phone so I can't use it. HORRIBLE APP.#### One suggestion 5/5

By Heli 3You guys should really add a camera feature to scan these problems!#### Trig functions don’t work 1/5

By mdacrim97Pretty much says it all. It’s annoying finding out the hard way since this app got me poor grades on physics quizzes#### Please make an iPhone X version! 5/5

By Boomtrack13This app needs to fill my iPhone’s screen!#### Amazing Awesome 5/5

By jaycepeterson23I like Hummus and Desmos ya know what I mean#### Fix the sim, cos, and tan buttons. 5/5

By PayddnThis is probably one of my most favorite apps in the store with an easy to use graphing calculator that graphs the function as you place it in. Two suggestions to improve this app though are to make it so that as you are filling out a table, the calculator will automatically provide an equation that fits the data. Also, I have noticed that there are some inaccuracies when it is calculating with sine, cosine, and tangent, so you will need to fix that. Other than that, this is an awesome app that everyone should have. Keep up the good work! 👍🏻#### I wish 4/5

By geoffせんぱいI love how you can enter complex problems, but i just wish there was a way it could show your work so we could actually understand whats happening to the equation. Overall though, a great app#### Doesn't load 2/5

By Bender5960!Doesn't load properly but works great when it does#### Amazing 5/5

By HackmodfordI don’t know how math students survive without this thing. It makes all of my college math classes manageable.#### Amazing 5/5

By jendkngfid djI had algebra one homework and I didn’t have a graphing calculator. This saved me#### Excellent 5/5

By Nickname737377Excellent graphing tool.#### Great app 4/5

By TlhuxI think this app is really helpful. The only problem is that you can not do fractions. A lot of problems I have include fractions and I can't do them in the app and it is a little frustrating. Other than that this app is great.#### Love this 5/5

By Gggf5It's really easy to use 😁#### Reliable app 5/5

By tacoguy77It just a works fine!#### It's so silky smooth 5/5

By Mj312444Works great#### Great 5/5

By pizza lovathis does exactly what is said it would do, love it for math homework#### Great app! 5/5

By jennyw1Awesome graphing calculator. Sliders are the best!!#### Epic 4/5

By Moorgan HartJust wish they had an independent calculator so I could use it on tests. All other calculators pale in comparison. I use this app for a great variety of things far beyond just graphing or and general math. I've designed math lessons in it, and even done stuff like built up maps with formulas to calculate distance for theoretical navigation. The only problem is there is no autosave feature nor any remembering of the last state so when it crashes (which it does irregularly) or you leave it looking at other apps or not using phone for too long or accidentally close it all work that isnt manually saved is lost forever. I've lost countless hours of hard work this way.#### bad 1/5

By aT_Alphabad#### This app doesn't work 1/5

By MarinarieThis app is terrible#### Cool addition... 5/5

By Person #4792I love how you can make awesome pictures with functions, I just wish there was a screenshot mode so you can take a screenshot without the menu buttons.#### I LOVE DESMOS 5/5

By Trey boingI LOVE THIS APP BECAUSE I LOVE MR BROWN😫😍🤡

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