**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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#### 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!!!#### Excellent app. My goto calculator. 5/5

By Will22-reviewsFeature rich, with more things added all the time.#### Great app 5/5

By headintheclouds3This is a very helpful app#### HALLELUJAH 5/5

By KRosePotatoHTHIS APP SAVED MY LIFE YOU DONT EVEN KNOW THANK YOU#### I love this calculator 5/5

By Selina SocksThis calculator works great. While everyone else in my class struggled with there actual calculators, I had no problems. Best free graphing calculator. I am not sure you can buy one better#### My trusted Sidekick 👍🏽👍🏽👍🏽👍🏽👍🏽👍🏽 5/5

By Your biggest fan!!!!!This app is great. Absolutely phenomenal. at a cost of $0 it is equivalent to an $80 Ti-84+.👍🏽👍🏽👍🏽👍🏽👍🏽👍🏽#### Amazing APP 5/5

By AlbainiankingThis app helped me, so i didnt have to buy a very expensive calculator#### Perfect 5/5

By banana1739Got me through a graduate level statistics course and received an A!#### The Reference section is soooo helpful! 5/5

By Ronny QThe reference section really helps me study for tests and understand what my textbook is trying to tell me.#### Howdoyoudoaspace 5/5

By XxX_420BlAzEiT420_XxXIcanttypespaceshelpme#### App 1/5

By West valley studentI hated this#### <3 5/5

By Supaswag123456789This app is just so amazing, sometimes when I'm alone and sad I'll graph a heart so I'm not so lonely#### Very Helpful App 10/10 5/5

By SavantsBladeThis app got me through college algebra. 10/10#### Great app 5/5

By NickRoss7865Teaches you how to do algebra. Or, even better, does it for you.

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