**Category:**Education**Release Date:**2013-06-18**Current Version:**6.4.0**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.

#### 6/5 5/5

By OpthebestThis is the best mobile graphing calculator. Period. The only thing missing are limits and slope fields.#### Very Helpful 5/5

By Just a high school freshmanIncredibly useful. Pretty much what got me through my freshman year Algebra course.#### Dear 5/5

By Tin SchroederCongrats desmos#### Trash 1/5

By AbadsterEvery time I add any value into the x or y axis and back out, it changes to some crazy high random number. I despise whoever created this app#### The greatest there is 5/5

By A_Bad_WordI’m a university math student and as such, I’ve had a deep appreciation for Desmos since I downloaded it in high school. The incredible amount of functionality in this app is truly what sets it apart from anything else I’ve ever used. From implicit curves to parametric equations, from multi variable integrals to combinations/permutations. As it is, Desmos registers f(x,y)=g(x,y) as an implicit curve and even r=f(θ) as a polar curve. The one thing that would make this app unstoppable would be the ambitious feat of registering complex numbers. If this is ever accomplished, I think I may die.#### Love Desmos, but terrible for iPhone 2/5

By Nick Name, Esq.I think Desmos is fantastic, and works so well on the iPad or computer. Just don’t bother using it for an iPhone. The buttons are so small that it isn’t worth your time and there is no landscape mode. Not really their fault but I would love to see a port with those features#### Great App 4/5

By iwoopuThis is my favorite graphing calculator but the one thing i think it needs is a button to save the settings that i change for future use.#### Can’t find intercepts! 2/5

By @SlimKnotI love Desmos. I really do. It’s hard to find a replacement that allows you to graph multiple functions. Right now, as I am preparing for my AP exam, I am so incredibly frustrated that I can’t hold down on the screen to identify a point of interception. In the past, this feature worked without a flaw, and now, I have to zoom very close into the graph to find the intercept myself. Please, amazing desmos engineers, fix this feature! And I will love the app unconditionally once more :)#### Amazing, plus, here’s a lil’ tip 5/5

By CllayyboiiThis app is amazing, I use it all the time and its pure calculating power along with its saving graphs feature is why I’ve never even thought of deleting it ever. But here’s a small tip for all of you reading this: It may seem that there is no antiderivative feature, but that’s actually wrong. To be fair, you’ve got to know a bit of calculus to know this one, but it’s a simple trick. To get antiderivatives, you’ll need to utilize the first fundamental theorem of calculus, which says: ₓ ∫f(x)dx=∫f(t)dt ᵃ Where a can be any constant. So if ya need indefinite integrals of functions, use that format. Don’t worry about the value of a. Remember that a +C is added at the end of each antiderivative because it is not needed to calculate regular derivatives.#### It’s just great 5/5

By HewhopThis is a great app. It’s good at doing graphing, it’s good at doing math, and oh boy is it good at entertaining. There are so many equations that look normal and then just go in insane directions. My personal favorites are y = sin(xy) and y = sin(√y**√x**√y)x. The latter gets a bit messy(** means power).#### Export image deleted 1/5

By Jeff_Ze_KillerI really liked it in the past but I can no longer use the graph’s export image which renders it useless for my homework and classwork#### App doesn’t work 1/5

By chrisgonz605Doesn’t work#### It’s Desmos. 4/5

By Troper OneWish I could use the standard phone keyboard for inputs since I’m used to the desktop version, but otherwise the same Desmos we’ve come to love.#### Eh 3/5

By tired_and_angry101The app... GREAT. But I’m doing a project and I’m so sick and tired of looking at this app. IM ANGRY. Nothing against desmos but like... cmon make it fun#### Great, but could use one small addition. 4/5

By Dylans423The app works very well and I am quite satisfied with it, but if it could include an open spot where a function is undefined, that would be nice. The graph will show that it exists, but if you hover over the value, it shows that it does not exist.#### Goodness 5/5

By Jack's NicknameVery good#### Desmos is hella useful 4/5

By Rend0ck321I have used this so much and it has been incredibly helpful for me in my exploration of math. My only issue and why I didn’t give it five stars is that I wish I didn’t have to sign in again every time I opened the app.#### This is a great graphing calculator 5/5

By A_High_School_StudentThis is one of the best graphing systems there is on the app store right now. Most of the other calculators either are absurdly complicated or just don’t have a user friendly interface. This graphing system is really amazing.#### Jug 4/5

By dikekwksksYes yes but it was the first day of school and then come home and I have a good night I love Minecraft is my birthday I am so sad to have a baby I am going home now I am so sad to have to do you wanna was a really nice night I love Minecraft you know!#### Great app...but please fix issue 4/5

By Rulitesm USWhen you plot : Y= (x+2)(x-3)/(x-3) The “hole” on x=3 is not shown. This function is not continuous at x=3. Please fix that, this app is perfect !!#### Garbage 1/5

By deshawn123Honestly it’s garbage#### Polar Graphs 5/5

By UnknownprospectI love Desmos. It truly is the best graphing calculator around. However, the inability to make a function out of a polar equation really takes away from the experience, as it makes putting in input values for polar graphs impossible.#### I love this app 5/5

By butt fart muchI love this app it makes algebra so much easier with this app I just about use it everyday in math#### Lol 2/5

By AlmightykyNice dark mode#### I love this app 5/5

By Ldawg2457Currently, I am procrastinating my AP calculus homework to write this, but I wouldn’t be able to it without Desmos because I don’t have a fancy calculator at home.#### A Fantastic Helper in Understanding Math 5/5

By Ali GhasemianIt is a great app for graphing. I had searched a lot and tried so many apps until I found this one. I have been using it for a few years now, and it has always been handy. It helps me to get a better understanding of functions. I also have it on my iPad!#### Desmo review 5/5

By bobby brown29991This app is fantastic for algebra students who don’t have a graphing calculator. I just wish it had or more simple look and give the user a quick tutorial on how to use the app to better understand it. Just to make it easier for beginners in algebra or difficult mathematics in general.#### Really helpful 5/5

By BRO,LET,ME,HAVE,A,NICKNAME!Cheese!#### Garbage 1/5

By Mae_be_nerdyAbsolute garbage#### Great! 5/5

By asdkjklsjMy math teacher LOVES Desmos, and it’s a huge help in class. Regular graphing calculators are kind of a pain for finding maxes, mins, intersections, or really any points, but desmos makes it super easy! My only thing is it would be super helpful if the graph included a point for the point of inflection. But seriously, great app!#### Frustrating 2/5

By sjmj23tsThe fact that if you insert a division symbol into an equation it automatically makes the denominator a blank box is ridiculous. I need to be able to place an in-line division symbol, so I don’t have to retype everything in the box.... and I seem not to be able to copy or paste things in the app for some reason#### Best graphing calculator on the App Store 5/5

By grrichardsBest graphing calculator on the App Store#### Amazing so great 5/5

By wackkkkmThis app is so brilliant and perfect. So great so thankful for this app!!!#### Excellent 5/5

By DeathstrokethebossFive stars for being free and having a massive amount of features.#### Super 5/5

By KukugkugI’ve been trying various graphing calculator apps. This is the best one I’ve found. The online tutorials are great. There is so much functionality built in that I would highly recommend reviewing the tutorials. My search for a Calc is over.#### Best of the best 5/5

By gooden11AMAZING MATH GRAPHIC TOOL, EASY USE AND EVEN FREE!#### Just what I needed 5/5

By Rambo8649After trying all the different graphing calculator apps available here I finally ran into Desmos this week. I can’t believe it, this app is awesome for my calculus work, better than any of the paid calculators here. My only suggestion would be a floating input panel, because when using on an iPad in portrait view, the input is at the very bottom and very small.#### Desmos is amazing 5/5

By jehshshaoaaThis app is so great and has been a staple for a long time, though the desktop website is better. Desmos is #1.#### Works Great But... 4/5

By HANOJANThe app works great and graphs lines flawlessly but on my iPhone X the top and bottom of the display are cut off so if that could be fixed in a later update that would be great#### It's pretty good 4/5

By Mags_MagsMaybe I'm incompetent, but when you're dividing things in the app and it's in a decimal form there's no option to turn it into a fraction like on the website. It's a little irritating, but other than that it works great.#### It wont save 3/5

By ssageeeeI’ll admit, demos is a great app. But when I graph a picture and press save It doesn’t actually save. When I press save and go out of the app, the next day everything that I “saved” is literally gone.#### Easy To Use 5/5

By iSWAGALICIOUSFantastic utility; I’ve been using the desktop version for years, I strongly appreciate the simplicity and ease of use.#### Great app, but missing advanced math features 4/5

By 828335First of, it really makes me mad how they just made 2 black strips on top and bottom for iPhone X. Next, I’m very disappointed it offers no support for complex numbers. It is missing many other important things in advanced math, like vectors.#### Matt teacher approved 5/5

By at333302This is the only calculator I have my students use in class. Love it!! Super user friendly and does almost as much as the expensive TI calculators.#### Amazing graphing calculator! 5/5

By 😍🎷Love this graphing calculator, never have any problems with it#### Gr8 5/5

By PocketgolfWay easier to graph on than my TI84 calculator. The shading effect is also useful.#### Best All Time Math App 5/5

By MartyCMathThis is my favorite math app of all time. Love how it allows for math exploration, visualization, and discovery in a beautiful user friendly environment.#### Amazing 5/5

By QsawdxhMy graphing calculator costs $120 and died. This is free and super easy to use. It saved my butt and is perfect#### Camelback High School 5/5

By CamelbackHSHighly Recommended all Students to use it for trigonometry class!

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