App Information Math DJ: Intro to Algebra
- App NameMath DJ: Intro to Algebra
- Package Namecom.RogerPurcell.MathDJIntroToAlgebra
- UpdatedMarch 15, 2013
- File Size4.8M
- Requires AndroidAndroid 2.2 and up
- DeveloperRoger Purcell
- Google Play Link
MathPapa - Algebra Calculator 1.2.0 APK
MalMath: Step by step solver 5.1.3 APK
MalMath is a math problem solver with step by step description andgraph view. It’s free and works offline. Solve: •Integrals • Derivatives • Limits • Trigonometry • Logarithms •Equations • Algebra It helps students to understand thesolving process and others who have problems on their homework. Itis helpful for high school and college students, teachers andparents. Key MalMath features: • Step by stepdescription with detailed explanation for each step. •Easier to understand steps using highlights. • Graphanalysis. • Generates math problems with severalcategories and difficulty levels. • Save or sharesolutions and graphs. Currently available languages: English,German, Spanish, Italian, French, Turkish, Albanian, Croatian,Arabic, Portuguese, Azerbaijani, Russian, Japanese. You can findmore about it at http://www.malmath.com/
Mathway 126.96.36.199 APK
With millions of users and billions of problems solved, Mathway isthe world's smartest math calculator. From basic algebra to complexcalculus, Mathway instantly solves your most difficult mathproblems - simply type your problem in (or point your camera andsnap a pic!) to receive instant free answers. Need detailedstep-by-step solutions? Mathway is like a private tutor in the palmof your hand, providing instant homework help anywhere, anytime.Mathway covers all levels of math, including: • BasicMath/Pre-Algebra (arithmetic, integers, fractions, decimal numbers,roots, factors, and more...) • Algebra (linearequations/inequalities, quadratic equations/inequalities, absoluteequations/inequalities, systems of equations, logarithms,functions, matrices, graphing, and more...) •Trigonometry/Precalculus (trigonometric functions, identities,conic sections, vectors, matrices, complex numbers, sequences andseries, and more...) • Calculus (limits, derivatives, integrals,and more...) • Statistics (probability, permutations, combinations,and more...) Got a math problem? Just ask Mathway. "Easy to use andefficient, Mathway appeals to anyone who needs help solvingmathematical problems, whether we're talking about high-schoolstudents or undergraduates." - Yahoo! News "If you've got some mathproblems that need solving, check out Mathway. This tool will showyou how it reached its answer, letting you learn from the process."- CNET "Mathway is an irreplaceable tool when it comes to problemsolving. The app helps you do your maths homework. Not only does itdo your assignment for you, it teaches you how to do it right. Allyou have to do is put the equation in and press the Enter button."- Lifehack
Math & Science Tutor - Algebra, Calculus, Physics 1.0.9 APK
Calculator N+ - Math Solver - CAS calculator 3.4.9 APK
The Calculator provides the following features: ALGEBRA 1. Computerscience 2. Solving the equation: 3. Solve system equations 4.Graphing 5. Cartesian geometry sand(Viet Nam Education) 6. UnitConversions 8. Simplify expressions 9. Polynomial factorization.10. Binomial expansion Newton 11. Matrix: evalute matrix step bystep ANALYTICS 1. Derivative 2. Antiderivative 3. Definiteintegrals 4. Find the limit of the sequence, function TRIGONOMETRIC1, Trigonometric expand: sin(2x) -> 2sin(x)cos(x) 2.Trigonometric reduce: 2sin(x)cos(x) -> sin(2x) 3. Trigonometricto exponent: sinh(x) -> (e^x-e^(-x))/2 DETERMINATION OFSTATISTICS 1. Combination 2. Permutation SOME OTHER FEATURES 1.Prime factors 2. Modulo 3. Catalan number 4. Fibonacci number TheCalculator does not show the steps to solve the equations, systemof equations, derivative... but only for the final result. Entersin(30°) to calculate sine Degree mode The computer can work in twomodes: - Decimal mode: 0.12312312323 - Mode fractions: for resultswith arbitrary precision, for example 9^99999 Fanpage applicationsupport: https://www.facebook.com/calculator.n.plus/ Anysuggestions on the application please send mail:Tranleduy1233@gmail.com. See in githubhttps://github.com/tranleduy2000/ncalc
Algebra 8.9 APK
This application contains, guide book and algebra mathematicalproblem solver. Each of the guides puts at your disposal atheoretical explanation, an example so you can check the theory ina practical way and what is more interesting tutorial videos thatprovides an algebra help. Learning math algebra has always been oneof the biggest problems in high school, it is practically the mostconsulted book in schools and colleges. Dark for some, mysteriousfor others and definitely undecipherable for teenagers trying tosolve their miscellanies in the wee hours of the morning, now itwill be much easier with this application of algebra. Baldor, asmany in Latin America know him, was a reference in math classes,being the nightmare of many students, who hated the character onthe cover, now that was forgotten with this practical andtheoretical guide of algebra for beginners. From being a physicalbook, now it comes to you being a virtual algebra, created with thefirm intention of enhancing your learning, giving you the best helpof algebra and making possible a better retention of mathematicalalgebra information, and that you can apply it in all your problemsand mathematical algebraic exercises that are usually presented inmath classes. We hope you get full advantage with this virtualalgebra application with all its extra features such as: * Solverof mathematical problems of algebra. * Formula of algebra. *Algebra equations. * Scientific calculator. * Algebra videos forbeginners. * Book of algebra (Complete). * Basic concepts ofalgebra. * Answers of algebra. (Exercises of the book in digital).* Books and extra compendiums. Download Now Álgebra Virtual!
Grapher - Equation Plotter & Solver APK
Grapher is a fast and effective equation plotter, capable ofdrawing any function, solving equations and calculatingexpressions. Especially if you're a student, teacher or engineer,this app is made with you in mind! A wide range of predefinedfunctions is available, including trigonometric & hyperbolicfunctions, polar coordinates, differentiation and more. Anythingyou type will be processed and displayed instantly by a powerfulmath engine, in both 2D and 3D modes. Furthermore, functions canreference each other by their name. As I strive to make Grapher fityour needs, any feedback and bug-reports are greatly appreciated.This free version is ad-supported; please consider buying GrapherPro to remove all ads and enjoy extra features! Curve types •Function (e.g. parabola, sine wave) • Polar (e.g. rose, spiral) •Parametric (e.g. ellipse, Lissajous) on the xy-plane or rθ-plane •Implicit equation (e.g. conic sections) • Implicit inequality (e.g.half-plane) • 3D function (e.g. paraboloid) • 3D parametric curve(e.g. helix) • 3D parametric surface (e.g. sphere, hyperboloid)More features • Equation solver (numerical) • Find roots, extremaand intersections with other functions • Functions can referenceeach other, e.g. g(x)=2*f(x+1) • Custom math keyboard • Auto-detectinput type • User variable support for both numbers and functions •Adjustable parameter range (for cartesian, polar & parametriccurves) • Input history • Plot up to 28 graphs at once •Differentiation (numerical) • Trace graph • Capture screenshotsNote: Mathematical functions should be typed by their names, forexample sqrt(x) means √x. Hold a key to see all function namesstarting with that letter. If something is unclear, be sure tocheck out the 'Help' page as all details are summarized there.
Algebra scientific calculator 991 ms plus 100 ms 4.3.2-22-10-2019-01-release APK
Office theme The calculator 570 es plus is a school calculator witha natural fractal display that is especially appreciated bystudents undertaking secondary school mathematical courses - itoffers 417 integrated mathematical functions that cover a largerange of subject matter. It allows you to perform fractionscalculations, variations and combinations, calculations of integersand derivations, as well as logical operations or matrixcomputation and many other functions. Supports most of the featuresof 500, 570, 82 ms 82 es or 991 ms, 4500. Features * NaturalDisplay expression show expression same as textbook. * Statistics(List-based STAT data editor, standard deviation, regressionanalysis) * Multi-replay * Fraction calculations * Combination andpermutation * 9 variables * Table function * Equation calculations* Integration/differential calculations * Matrix calculations *Vector calculations * Complex number calculations * CALC function *SOLVE function * Base-n calculation * Logarithm log * Logicaloperations * 40 scientific constants * 40 metric conversions (20conversion pairs) * Random Integer
Mathematics 3.4.3 APK
- formula calculation with variables, sums, products and sequences- solve equations (linear, quadratic, cubic, transpose) - plotfunctions, derivate, integrate, calculate roots and extremas(polynomial, rational, exponential, etc) - calculate tangent,asymptote, interception - reconstruction: calculate f(x) by givenroots, points or extremas - f(x,y) plot in 3D - factoring (Bézout'sidentity, Euler's totient function, least common multiple, greatestcommon divisor) - modulo calculation with big integer and fractions- differential and integral calculus - curve sketching, limes,minima, maxima - linear algebra, vectors, matrices - unitconversion - number systems, binary/oct/decimal/hex calculator -complex number calculation - statistics (gaussian test, t test,binominal and normal distribution, standard deviation, average,sum, median) Supported languages: English, German, Francais,Espanol, Italian, Portuguese Mathematics is a powerful calculationsoftware for your android smartphone. FEATURES Calculate anyformula you want and show them in a 2d or 3d plot. The naturaldisplay shows fractions, roots and exponents as you would expect itfrom mathematics. In a few seconds you derivate or integrate yourdesired function, calculate the zero points of your function undshow them in the function plot. See all maxima, minima orinflection points in one view. The easy way of use allows you tosolve linear equations in just a moment. Or transform yourmathematical, physical or chemical equation to any unknownvariable. You often needs to calculate with binary, octal orhexadecimal number systems? No problem! You can mix them togetherin one calculation even by using decimal digits. But that's notenough! You can also calculate with any other number system withbase 2 to 18. From time to time you may need to convert units toanother one, like Celsius to Fahrenheit, miles to kilometre, inchesto foot and so on. You will also be able to calculate with vectors,matrices and determinants. All this features are combined in thisapp and will make your mathematical life a lot easier.
Graphing Calculator + Math, Algebra & Calculus 4.14.159 APK
Graphing Calculator by Mathlab is a scientific graphing calculatorintegrated with algebra and is an indispensable mathematical toolfor students from high school to those in college or graduateschool, or just anyone who needs more than what a basic calculatoroffers. It is designed to replace bulky and costly handheldgraphing calculators and works on virtually any Android phone ortablet.Free version requires internet connection and contains ads!Upgrade to PRO!Video: https://youtu.be/6BR8Lv1U9kAHelp site withinstructions and examples: http://help.mathlab.usIf you have aquestion, send email to firstname.lastname@example.orgSCIENTIFIC CALCULATOR•Square root, cube and higher roots (hold √ key)• Exponent or power,use x^ key, (x^2)• Logarithms ln(), log(), log[base]()•Trigonometric functions sin π/2, cos 30°, ...• Hyperbolic functionssinh, cosh, tanh, ... (hold "e" key to switch)• Inverse functions(hold direct function key)• Complex numbers, all functions supportcomplex arguments• Derivatives sin x' = cos x, ... (hold x^ key)•Scientific and engineering notation (enable in menu)• Percent mode•Binary, octal and hexadecimal numbers, 0b1010, 0o123, 0xABC• Saveand load historyGRAPHING CALCULATOR• Multiple functions graphing•Implicit functions up to 2nd degree (ellipse 2x^2+3y^2=1, etc.)•Polar graphs (r=cos2θ)• Parametric functions, enter each on newline (x=cos t, y=sin t)• Function roots and critical points.• Graphintersections• Tracing function values and slopes• Slide to scroll•Pinch to zoom• Fullscreen graphs (PRO)• Function tables• Savegraphs as images• Save tables as csv• 3D graphs (PRO)FRACTIONCALCULATOR• Simple and complex fractions 1/2 + 1/3 = 5/6• Mixednumbers, use space to enter values 3 1/2• Use parentheses(1+2)/(3+4)=3/7 ALGEBRA CALCULATOR• Linear equations x+1=2 ->x=1• Quadratic equations x^2-1=0 -> x=-1,1• Approximate roots ofhigher polynomials• Systems of linear equations, write one equationper line, x1+x2=1, x1-x2=2• Polynomial long division• Polynomialexpansion, factoring• Linear and quadratic inequalitiesPROBABILITYAND STATISTICS• Hold n! key to enter functions, double tap dot toenter comma• Combinations nCr(5,2)=10• Permutations nPr(5,2)=20•Sample A=[1 2 3 4 5]• Sample B=[2 3 4 5 6]• Sum sum(A) = 15•Average avg(A) = 3• Median median(A) = 3• Sample variance var(A) =2.5• Population variance varp(A) = 2• Standard deviation stdev(A) =1.58..., stdevp(A) = 1.41...• Covariance cov(A,B) = 2.5•Correlation corr(A,B) = 1 MATRIX CALCULATOR• Matrix and vectorarithmetic operations• Vector cross product, dot product (hold *)and norm• Matrix determinant, inverse, transpose and tracefunctionsLIBRARY• Physical constants (PRO)• User defined constantsand functions (PRO)• Save expressions for future reference
Blog 0.0.1 APK
Our blog posts include experiment results of online marketing, howto articles, tools and tips for running your business, businessideas, online selling, entrepreneurship, start ups, successstories, interviews and reviews of relevant books.You can visit theweb version of our app: http://technotip.orgFeatures1. Has a listof 8 recent articles on the homepage and user can navigate to olderblog posts.2. Clear reading experience with bigger fonts on articlepage.3. Facility to bookmark the article and read later frombookmarks section.4. Cache the recently viewed article for offlinereading.5. List of pages.6. Search facility.7. List posts based onCategory.8. List posts by author/contributor.9. Invite others toour app via Social Sharing Apps.Option to rate the app.10. Facilityto directly share the posts and pages with others from inside theapp via popular social sharing applications.
Hello English: Learn English APK
Learn spoken English and Grammar from Hindi, Indonesian, Thai,Arabic, Malay, Urdu, Malay, Bangladeshi Bengali, Bengali, Punjabi,Telugu, Tamil, Kannada, Marathi, Gujarati, Oriya, Assamese,Malayalam, Chinese, Portuguese, Turkish and Nepali. A free Englishlearning course used by over 50 Million learners for spokenEnglish, grammar, and vocabulary building. Hello English byCultureAlley is the number 1 ranked free Educational App, and thebest free App to learn English. Awarded Google's Editor's Choice2018, 2017; "INDIA’S BEST MOBILE APP OF 2017" By IAMAI, Google'sBest Apps for 2016. Features: - 475 Interactive Lessons: 100% freeinteractive lessons with conversational English, grammar topics,vocabulary and more. All lessons work offline as well. -Interactive Games: On reading, translation, spellings, grammar,vocabulary. With immediate results and grammar tips. - Discussionswith teachers: Ask questions on grammar and translations toteachers. - Practice using daily news and videos: Learn with latestnews, articles, audio-video clips, and e-books. - Conversation andspeaking practice game: Hold daily-use conversations by speakinginto the App - improve your spoken English skills. - 10,000 wordsDictionary: Learn new words, and hear their pronunciation. - Playwith friends: Multi-player games and quizzes to practice Englishwith learners across the globe - Chat Bots: Learn English withchatbots - Know Your Rank: Win coins and know your global and cityrank. Download the free App right away to help with your dream jobinterview, or with an exam, or to impress your friends! ImproveEnglish speaking, writing, reading and comprehension, and listeningskills. Speak English with confidence!
BYJU'S – The Learning App APK
Come, fall in Love with learning! BYJU’S-The Learning App is theworld’s largest learning app for school students with 16 millionregistered students on its platform. The app offers comprehensivelearning programs in Math and Science for students between classes4th-12th. It also has test prep courses for competitive exams likeCAT, NEET & JEE, IAS, GRE & GMAT etc. The app has classesfrom India’s best teachers including Founder CEO, Byju Raveendran,using state of the art technology for visualization. BYJU’Sin-house R&D team of 600+ members have completely developed theapp in house and are constantly working on making it even moreengaging and effective. The latest version of the app personaliseslearning based on the individual pace and style of learning of eachand every student. BYJU’S has developed an all-inclusive model,which breaks the clutter around rank holders making learningeffective not just for the motivated students, but for everyone.The BYJU’S learning programs has been designed to make ‘every’student fall in love with learning and not for the 'toppers' only.Features (School Learning): • Learn - From engaging video lessonsand personalized learning journeys designed by BYJU’S RockstarR&D Team. • Test - Practice to perfection with chapter wisetests that are customized to the learning requirement of everystudent. • Analyse - The app runs an in-depth analysis based oncustomized tests and personalised learning paths adopted by thestudent. View detailed analysis of your progress and performance toplan better and improve your performance. • Revise - Each moduleoffers revision and practice sessions for students to perfect theirunderstanding of concepts and help them excel in theirexaminations. • For exams and beyond - The modules are planned in away that it provides complete coverage of all state-level Boards,ICSE and CBSE syllabus for classes 6-10 and complete IIT JEEPreparation and AIPMT Preparation for classes 11-12. Features(Competitive Exam prep) For CAT Aspirants, get video lecturesdirectly from Byju and PN Santosh (CAT 100 percentilers) themselvesand complete test series (over 200 chapter-wise tests) and 20 FullLength Mocks. For IAS aspirants, get tricks and tips from IAStoppers to crack the CSAT GS Prelims and Mains. Also be up to datewith updated current affairs videos, weekly current affairsquizzes. Watch simple and engaging video lectures on all topicsfrom our expert IAS faculty. Latest Features! Knowledge Graphs -Exhaustive Knowledge Graphs provide students customizedrecommendations to understand concepts better. Practice - Featureoffers warm up, run and sprint mode for every concept. This uniquefeature allows students to test at their pace and based on theirlevel of understanding. Proven Results! Today, over 16 millionstudents are learning from BYJU’S. 93% Parents reported an increasein their children’s grades after using BYJU’S-The Learning App.Also, students are spending 57 minutes every day learning fromBYJU’S. Few of our notable accolades - • Business Standard Start Upof the Year Award (2017) • Express IT Awards – Individual award –Newsmaker of the Year (2017) • Winner of Amazon Mobility Awards forEstablished Education App of the Year ( 2017) • Winner of CNBC TV18Young Turks of the Year Award (2017) • Winner of DeloitteTechnology Fast 50 India and Fast 500 Asia Award (2012, 2013, 2014,2015, 2016, 2017) • Winner of Reimagine Education Awards for theBest Educational App (2016) • Winner of VCCircle Awards forEducation Company of the Year (2016) • Winner of Future of IndiaAward for Education (2016) (Listed as Think and Learn) • Winner ofGlobal Mobile App Award-Education (2016)
CppDroid - C/C++ IDE 3.3.3 APK
CppDroid is simple C/C++ IDE focused on learning programminglanguages and libraries. Features: * code complete * * real-timediagnostics (warnings and errors) and fixes * * file and tutorialnavigator (variables, methods, etc) * static analysis * * smartsyntax highlighting * portrait/landscape UI * auto indentation andauto pairing (configurable) * configurable code syntax highlighting(themes) * * compile C/C++ code (no root required) * works offline(built-in compiler, no internet connection required) * great C/C++code examples included * * detailed C++ tutorial and learn guideincluded * * add-ons manager and auto updates * Dropbox support * *Google Drive support * On first launch CppDroid extracts SDK (about150Mb) and downloads and extracts examples and tutorials, so about215 Mb of internal storage space is required. It can't be moved tosd card because of android security. Start learning C and C++ byexamples (menu / Project / Examples) or tutorials (menu / Project /Tutorials). App blog: http://www.cppdroid.info Advanced paidfeatures (marked with *) review:http://www.cppdroid.info/p/advanced-features.html See alsoArduinoDroid app: http://www.arduinodroid.info
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Current Affairs GK - Tests for SSC Railways 16.3.7 APK
OnlineTyari is India's No.1 FREE exam preparation app forgovernment job exams like SSC CGL and CPO, Railways RRB NTPC andGroup D, FCI Recruitment, IBPS PO and Clerk, IAS Prelims and statelevel government exams. *** Get Unlimited Mock tests for governmentjobs using TyariPlus Program *** Popular Exams in 2019 whosecontent is available : - RRB NTPC - RRC Group D - SSC CHSL (10+2)Exam - SSC CGL 2019 - SSC CPO 2019 - FCI Recruitment 2019 - TETExams - Bank PO and Clerk 2019 It includes free CurrentAffairs 2019, GK, E-Books/Magazines (PDF) and online mock testsavailable in Hindi (हिंदी), English and Marathi languages. Weprovide mock tests covering each topic as per the latest exampattern. Why OnlineTyari is No. 1 exam preparationApp? - Daily Current Affairs, News Articles and Exam/Job Alerts:Best way to prepare for current affairs 2019 and GK (GeneralKnowledge / Samanya Gyan) by practicing our daily questions andquizzes. You can select by month and topic as per your need. - Online Mock Tests & Live All India Tests based on latestexam pattern, real exam simulation, and full solution keys: We haveseveral free full-length mock tests and sectional mock tests aswell. - Exam/Job alerts available at one place. We providetimely exam information, exam pattern, and important dates so thatyou don’t miss anything. - Question Bank to practice questionsand answers for each exam covering all topics and difficultylevels. OnlineTyari cover questions for Computer Knowledge,Quantitative Aptitude, Maths, English Learning, Reasoning andLogic, History, Polity, and General Science. - All study materialavailable in Hindi and English languages. Now prepare inyour language of choice. - Get answers to exam related questionsand doubts by thousands of other students and experts inour student community - Get guidance and preparation tipsand tricks from experts and toppers on upcoming exams. How successful aspirants benefit from this App? - Many of thecurrent affairs and GK topics covered by OnlineTyari have come inthe real exams. - Compare your rank and performance with thousandsof other aspirants with practice mock tests. Identify your weakareas and get personalized guidance and recommendation forimproving your chances of success. - Real exam simulation. Improveyour timing and accuracy with real exam like the experience ofgiving online mock tests. Exams Covered: SSC andRailways Exams Most popular app to prepare for SSC 2019 exams. SSCCGL, CHSL (10+2), CPO, MTS, Scientific Assistant, Delhi PoliceConstable, Stenographer, JHT (Junior Hindi Translator). Prepare forSSC and RRB (ALP, Group D and RPF) in Hindi Medium here with topicslike English Learning, Quant, Reasoning in the app and covered infree mock tests. Banking Exams Best app to clear bankingexams – IBPS PO and clerk, SBI Clerk, SBI PO, and other bankingexams. Bank specific topics like Economy, Reasoning, English Testsand Banking Awareness covered in daily free banking digest. IAS (UPSC Civil Services) Crack your IAS Pre and Mains 2019 withguidance from experts and IAS mock tests. IAS specific topics likeEthics & Governance, Optional papers, Case studies available.Chapter wise notes from NCERT for History, Geography, Politysubjects. State Level Exams Only app providing studymaterial for state level exams We cover exams like RAS and REET,UPPSC, Bihar SSC and BPSC (Bihar), Haryana PSC, MPPSC (MadhyaPradesh), Maharashtra (Police and MPSC). Prepare for MaharashtraState Level exams in Marathi medium. Extra Features- Workswithout Internet too. Prepare anytime, anywhere- Preparefor multiple exams with a single app- Bookmarkall important questions, articles, job alerts to view later Visithttps://onlinetyari.com for details.
VCE Exam Simulator 4.3.3 APK
This is an Android version of popular test taking application VCEExam Simulator. It allows you to take tests from .vce files on thego.Notice: If you are having any problems using our app, pleasecontact us at email@example.com. Unfortunately, Google Play doesnot provide us with contact details for users who leave feedback,so we are unable to help unless you contact us directly.
CBSE Class 8, 9, 10, 11 Course 2.56 APK
★★★FREE NCERT Solutions & RevisionQuestions★★★Complete CBSE classes 8th ,9th 10th and 11th study coursepowered by Everonn is available on your mobile & tab. Thisguide will help you ace your schools exams and have fun whilelearning.A very well researched course, this course contains learningcontent, animations, questions & answers, study notes, NCERTsolutions etc to help you with your school curriculum. The courseis based on the NCERT books and closely follows the syllabus forCBSE Class 8 ,9 and10 books.Each NCERT textbook chapter is explained in detail along withpractice questions and important questions that are likely to comein school exams. The course also provides detailed solutions to allthe questions present in NCERT books and has these solutionsavailable for free !The course contains detailed chapters for Class 8th, 9th, 10thand 11th -Class 8 - Science, Maths, Geography, History, Social &Political Life and English.Class 9 - Science, Maths, Geography, History, Economics, DemocraticPolicies and EnglishClass 10 - Science, Maths, Geography, History, DemocraticPolicies, Economics, Disaster Management and EnglishClass 11 - Physics, Chemistry, Maths, Biology and CommerceFor each class the course contains 2 sample chapters for eachsubject for free and the course (with access available on web also)start from INR 595For each NCERT book, all the chapters are covered in full detailalong with solutions to all NCERT questions.Also these solutions are completely FREE. So you don't need to buyextra guides for NCERT questions and answers.The content is developed by Everonn's research team inconsultation with some of the top CBSE schools in thecountry.It is a cross platform course that works across your Mobile,Tablets and Web.Visit us at http://gradestack.com/cbse to check out thecomplete course on the web.