Across thousands of domains--with more continually added--Wolfram|Alpha uses its vast collection of algorithms and data to compute answers and generate reports for you.
Parts of Wolfram|Alpha are used in the Apple Siri Assistant; this app gives you access to the full power of the Wolfram|Alpha computational knowledge engine. Domains covered by Wolfram|Alpha include:
MATHEMATICSElementary MathNumbersPlottingAlgebraMatricesCalculusGeometryTrigonometryDiscrete MathNumber TheoryApplied MathLogic FunctionsDefinitions
STATISTICS & DATA ANALYSISDescriptive StatisticsRegressionStatistical DistributionsProbability
PHYSICSMechanicsElectricity & MagnetismOpticsThermodynamicsRelativityNuclear PhysicsQuantum PhysicsParticle PhysicsStatistical PhysicsAstrophysicsPhysical Constants
CHEMISTRYElementsCompoundsIonsQuantitiesSolutionsReactionsChemical ThermodynamicsProtecting Groups
MATERIALSAlloysMineralsCrystallographyPlasticsWoodsBulk Materials
ENGINEERINGAcousticsAeronauticsElectric CircuitsFluid MechanicsSteam TablesPsychrometricsRefrigerationStructures
ASTRONOMYStar ChartsAstronomical EventsPlanetsMoonsMinor PlanetsCometsSpace WeatherStarsPulsarsGalaxiesStar ClustersNebulaeAstrophysics
EARTH SCIENCEGeologyGeochronologyGeodesyEarthquakesTide DataAtmosphereClimate
LIFE SCIENCESAnimals & PlantsDinosaursDNA Sequence LookupSNPsProteinsHuman, Mouse & Fruit Fly GenomesMetabolic Pathways
COMPUTATIONAL SCIENCESCellular AutomataSubstitution SystemsTuring MachinesComputational ComplexityAlgebraic CodesFractalsMathematicaImage Processing
UNITS & MEASURESConversionsComparisonsDimensional AnalysisIndustrial MeasuresBatteriesBulk MaterialsPaint
DATES & TIMESDate ComputationsTime ZonesCalendarsHolidaysGeological Time
WEATHERCurrent & Historical WeatherForecastsWind ChillHurricanesCloudsClimate
PLACES & GEOGRAPHYMapsProjectionsGeodesyNavigationDistancesGeomagnetismGeocodingCountriesCitiesElevation DataOceansLakesRiversIslandsMountains
PEOPLE & HISTORYPeopleGenealogyNamesOccupationsPolitical LeadersHistorical Events, Periods & CountriesHistorical Numerals & Money
CULTURE & MEDIABooksPeriodicalsMoviesVideo GamesFictional CharactersMythologyTelevision Networks & ProgramsAwards
MUSICMusical NotesIntervalsChordsScalesAudio WaveformsInstrumentsSongs
WORDS & LINGUISTICSWord PropertiesDictionary LookupWord PuzzlesAnagramsLanguagesDocument LengthMorse CodeSoundexNumber Names
SPORTS & GAMESFootballBaseballOlympicsStadiumsLotteriesCard Games
COLORSColor Names & SystemsColor AdditionTemperaturesWavelengths
MONEY & FINANCEStock DataIndicesMutual FundsFuturesMortgagesPresent ValueCurrency ConversionTipsBondsDerivatives ValuationWagesSales Tax
SOCIOECONOMIC DATADemographicsCountriesUS StatesUS CountiesCitiesEconomicsAgricultureEnergySalariesUnemploymentCost of LivingHealth CareHousingSocial StatisticsCrimeMilitaryReligion
HEALTH & MEDICINEBody Measurements Growth ChartsExerciseDiseasesMortality DataMedical Test DataTeethVisionDrug DataHospitals
FOOD & NUTRITIONFoodsDietaryReferences
EDUCATIONInternational EducationUniversitiesSchool DistrictsPublic SchoolsStandardized Tests
ORGANIZATIONSCompaniesHospitalsFoundationsInternational Organizations
TRANSPORTATIONAirportsAirlinesAircraftFlight DataRoad TransportGasoline PricesBridgesTunnelsTides
TECHNOLOGICAL WORLDCommunicationsSatellitesSpace ProbesPhotographyBarcodes
WEB & COMPUTER SYSTEMSWebsite DataIP LookupNotable ComputersData TransferPort NumberingString ProcessingHashingUnicode Lookup