**Category:**Education**Release Date:**2010-06-29**Current Version:**8.2**Adult Rating:**4+**Developer:**William Jockusch**Compatibility:**Android

*** Now over 4 million downloads. Thanks users!*** A powerful, flexible graphing calculator . . . and it's free! Does far more than most of the paid calculators out there . . . let alone the free ones. Features: 1) Scientific Calculator. Simple to grasp and easy to use, but powerful features are available when you need them. Available functions include the following: • the usual arithmetic functions and exponentiation. • square root, cube root, nth root, natural log, log base 10, log of arbitrary base, absolute value, factorial, permutations (nPr), combinations (nCr), modulus, random integer, bell curve, cumulative normal distribution, decimal to fraction. 2) Graphing. Capabilities: • Graph up to four equations at once. • Graphs are labeled. • You can drag the graph or pinch to zoom in or out. • Calculator can find roots and intersections. • Graph in polar coordinates. • Graph parametric equations • Can graph implicit functions, such as x^2+y^2-4=0. Most calculator apps can't do this! 3) A unit converter. With a tap, you can enter the result of your conversion into the calculator. Currently converts different units of the following: acceleration, angle, area, density, distance, energy, force, mass, power, pressure, speed, temperature, time, and volume. Great for doing physics homework! 4) Constants for scientific calculations -- speed of light, strength of gravity at Earth's surface, etc. etc. etc. Tapping on a constant will insert it into your calculation -- i.e, you don't have to key in the value. Again, great for doing physics homework! 5) It can make a table of the values of any function you care to enter. You can choose the starting x value of the table, as well as how much x increases for each successive row. 6) Help screens linked directly to many of the available functions and constants. Tap the disclosure arrow to see the definition. 7) Forgot the quadratic formula? Or the double-angle formulas for sine and cosine? The math/science reference hits the high points of various subjects. Currently includes algebra, differential and integral calculus, geometry, trigonometry, vectors, vector calculus, and classical mechanics. 8) Keep track of significant figures [AKA sig figs] 9) Statistics -- enter data and make a histogram, box and whisker plot, or scatter plot with optional regression line. If you are viewing this in iTunes, you will see five iPhone screenshots and five iPad screenshots. But even ten shots don't come close to showing everything this calculator can do. I'd love to hear your comments or suggestions. You can write me at mathscixyzgraphcalc@gmail.com -- but without the xyz. Thanks!

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#### I'm very happy so far 5/5

By Seandaboss48It's free and easier to use than the graphing calculators at my school, what a godsend#### Perfect 5/5

By DeyehausYou are a saint, this app is godly please make more apps as useful as this#### Too much complications to get to the graph menu 2/5

By BelwizIll designed gui and presentation needs improvement. Calculations need to be tested for correctness. « Where is your ears? You show with your right hand your left ear » optimization is missed in important known topic.#### Great... but just one thing 4/5

By Harambe101I am a visually impaired student in advanced classes. My class just started to learn and use graphing calculators but i use my iPad Pro because it helps me see better (by the way the app has big buttons and easy to see for me) so I tried to find graphing calculator apps and stumbled upon this one. I do all my worksheets my classmates get but on my iPad Pro. Since I do all my worksheets on my iPad, split screen with this app will be a big help and improvement to this app. I left out a star because there is no split screen ability. Overall, I just used it today and i played around with it and compared to other graphing calculator apps and this is the best so far. Good job on this app and thank you for your time and patience. If anyone is curious of the apps I use, I use google apps such as google docs, google classroom, google slides, google chrome, etc. Google is what every class in my school uses to turn in and do any electronic assignments such as essays to the teacher. I don't like Microsoft apps and neither does my school so my school doesnt use it anymore. I also heard that most schools use google and google chrome books (cheap and small laptops that are made just to use google apps, not good for vision impairments at all but there are not a lot of kids like me) that are better then Microsoft technology in my opinion. I am also a big fan of Apple which is why I use an iPad Pro. To scan worksheets and documents, I use the new scan feature on the Notes app (iOS 11). To save, write and type on the scans I use a great app called Notability. Then I either turn in my assignments though g-mail or google classroom. Like I said another efficient way (not as efficient as Notability though because you cant write and is harder to use) is to use the google apps on apple devices (same as Chromebook google apps). I use an Apple Pen to write. I also use join.me to connect to my teachers’ Smartboard. It also is good for connecting to presentations at work. I strongly recommend this strategy for any visually impaired student or person.#### Very helpful 5/5

By JackismadSimple and easy to use. Great app.#### Wonderful 5/5

By NightfallinaGreat app#### The best I’ve ever seen 5/5

By TipsAreaSo I’m in second grade and it’s helping me out with the math equations! I honestly love this app and I’d rate it 1000 if I could!#### I'm sorry but no 1/5

By Karenbrooklyn1This did not allow me to write my own equation#### Graphing calculator 2/5

By Whiz298There’s alphabets like the x. Help me out here if it does everything#### Great calculator 5/5

By cadnrI was looking for an iPhone version of Speedcrunch and found this. It has a nice big display to see all your input for big calculations. Full history editing lets you go back and correct your mistakes easily. Full array of scientific functions. Great value app - look no further than this for science, engineering and finance applications.#### iM nOT a bOt 5/5

By PrytyiydrhfgfydftfyfyfygugctgGreat app I forgot my calculator in school thanks for the app#### Amazing 5/5

By Jackie RottonThis app tells you so much more info then a normal graphing calculator saved me in math class#### graphing calculator review 5/5

By jjjjjjjjjjjjjjjjchildgreat references for me to use in my algebra class this year! 5/5 would recommend#### You can't input values alone. It forces you to input an equation. 1/5

By Ghast busterFix. This.#### Bad idea 1/5

By IdlrThis is so hard to use would not at all recommend#### Out at the Plate! 1/5

By jmf301Try to enter an equation, characters typed not entered, characters not type entered, so deleted the app. Using iOS 9.3.3 on iPad Pro.#### Amazing 5/5

By Teddyon1I needed a calculator to finish my homework real quick so I used this app and it works wonderfully 👍😁#### Where is support? 1/5

By krsing99Have a question about this app? Forget about it. "App Support" takes you to a website with general math tutorial - nothing about this app's operation or usage. I was going to purchase the paid version until I hit a road block trying to enter a function to graph. But, no real help is available, nor is there anyway to ask a question. Are we supposed to use the reviews section to ask a question? Where is the support?!#### Super confusing 3/5

By Da PoonisherSo I just wanted to graph two points, but I can't figure out how! I am doing Linear equations and I need to graph two points and I don't have any spare paper around... I can't figure out how#### good 3/5

By alyssacc813good app the only thing I would suggest is that you should be able to to Stat~Edit and do points you can plot on a graph, or find the mean and mode and stuff. idk if it's there or not, but if it is it's too hard to find .#### Best Calculator 5/5

By Araya Mae SunshineThis calculator has everything. It has conversion charts, definitions to trig functions, EVERYTHING. This is every calculator in one. It's well organized and there are no glitches I have come across so far. The main screen is for your simple needs; so it's not difficult to navigate. Definitely recommended to search through all the gadgets. Very worth it!#### Sorry 1/5

By DhdbrhejkwjhhuwhejdjI tried plugging in trig ratios and I over and over it was giving me the wrong answer#### Graphing points 4/5

By Aluha AhkbarCan you make it like you can find the difference of certain points on the coordinate grid and a option to graph one point at a time#### Great job 5/5

By Squirrelboyg2000I've used this app because I have no calculator. I feel guilty that I have given this app no good review or credit to the creator because it is amazing and props to you. Thanks for saving my GPA. I HIGHLY recommend this app over any other calculator I've tried. Great job!#### Best calculator app 5/5

By Mrs. CrusherThis app is amazing, it has more options and problem solvers than anything else I've seen and is truly the best! I've had it for months and am still learning about just how much it can do! Also if you go to the function button and scroll to the bottom it sometimes says funny things and jokes which is great because who doesn't need a smile here and there while doing math? Any ways it's great, i recommend it for sure, and it's free so there's nothing to lose!#### Terrible 1/5

By IrasearsDont get this#### WRONG 💩 3/5

By GeochickHas a quadratic solver.......but no.......factoring..... 😡😡😡 very sad that I cannot factor my numbers #upset#### X 3/5

By Jojo246891There should be an easier way to access just X#### I love this app 5/5

By PDG003I'm in middle school and I take an advanced algebra class. We aren't allowed to take the graphing calculators home and then I found this app. It was just what I needed!!! So now I can do my homework easily or graph equations easily!!!!#### Ok 2/5

By Chanbro25It works pretty well, but I wish it had quadratics#### Get Desmos instead 1/5

By Moorgan HartDesmos does slightly (tenths of a unit off) inaccurate quadratic statistics so I'm looking for another calc to do that. This one can't do statistics at all.#### So helpful! 5/5

By Luv2dancegmThis app helps me on my homework all the time! It's free and always accurate with some help along the way! Couldn't think of a better way for it to improve!#### Bad 1/5

By Adam Swahggin EliasNot useful at all#### Saved me! 5/5

By Quite lovely!It's surprisingly difficult to find an app or website that has all the features of a real graphing calculator, and this one has them for free. It's neat and not terribly difficult to use or terrible to look at.#### Very Helpful 5/5

By jjmayer0228It is just like a real graphing calculator that would normally cost about $100, but is free#### Solid 4/5

By LAjaymI don't use any other calculator anymore.#### Very nice 5/5

By Nicholas MailleIts easy to use and is has a reference section#### One of the best graphing apps 5/5

By Hussen BabanNo crushes, fast, and easy to use.#### Bad 1/5

By Swagye21It just bad#### Awesome!!! 5/5

By Julian731004This is more than a graphing calculator it has other things!!! Like triangle solver and definitions of math terms!! This app is so AWESOME!!#### OMGCPD 5/5

By Apple user#Best app for graphing ever!!#### Simply amazing 5/5

By WhiteWolfCapI've had this app for 4+ years and I can honestly it's the greatest free graphing calculator I've used. Through high school and college it has help me with anything ranging from simple algebra to complex equations. The graphing function helps to visualize even the most complex equations and the app even gives you a glossary of terms. Honestly, I would definitely buy the full version. Great job devs!#### Good app 5/5

By Trekker007I have been using the free version and it has been quite good. I just purchased this app Questions 1. Ads still appear on the top. 2. How do I select a user variable when wanting to graph a function? 3.Where do get access to type "X"? Thanks again#### Triangle solver problem? 2/5

By iPhoneUser62I just tried to solve the angles of a triangle with 3,4 and 5 unit lengths and expecting angles 30,60 and 90 degrees but the solution came different. Can't trust more difficult functions... Overall great idea! Just refine the accuracy.#### Super! 5/5

By r3\/01tI love this calculator app and use it every day. Minimal ads and maximum usefulness. It's the best free calculator app I have used, simply super! I like it so much I've just bought the paid version. Will review that one after I've given it a bit of use.#### Fine scientific calculator 5/5

By MindjogVery useful, with many options. I am running the free version on an iPhone rev 7, I cannot upgrade to ad free full version which requires iPhone rev 9. Tried to pay .99 for the ad free version, but it did not go through.#### Good app. 5/5

By Claytonamore7Helpful#### Thank you 5/5

By Sorati76This app is awesome and I think It worth a good rate#### Waste of time 1/5

By Kik h8rThis app doesn't calculate graphs properly. Difficult to navigate and doesn't do its job. Waste of time and storage#### Amazing 5/5

By Bdutch08This app is very well designed and very functional. It includes many great features for making math easier including triangle solvers, equation solvers, and other helpful things. Would recommend!!!

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