Frink Sample Programs

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Below is a collection of sample Frink programs. Another good source for common tasks can be found at Rosetta Code's Frink page.

You can also download all of these sample programs in a single zipfile, FrinkSamples.zip
(zipfile was last modified AD 2022-06-21 PM 09:08:48.336 (Tue) Mountain Daylight Time)

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allFactors[text] Calculates all factors of a number (not just prime factors.)
ArbitraryPrecision[text] Calculates some functions (e.g. log and exp) to arbitrary precision.
baseball[text] Calculates trajectory of a baseball.
bert[text] Calculates the probability of two first names appearing in the same movie.
binarySearch[text] Routines for binary-searching an ordered list.
bitcoin[text] Obtain current Bitcoin exchange rates.
bitwiseXOR[text] Calculates a bitwise XOR function for arbitrarily-large numbers.
ChineseNumbers[text] Formats integers into their Chinese equivalents (formal and casual)
classtest[text] A sample of object-oriented programming; demonstrates writing and using a class specification.
closestFraction[text] Routines for finding the closest fraction to a number. Also see continuedFraction.frink .
commonTransformations[text] Demonstrates Frink's ability to perform symbolic calculations, including solving equations and taking derivatives.
compound[text] Routines for calculating masses of chemical compounds.
continuedFraction[text] Routines for generating continued fraction representations of numbers.
ConvexHull[text] Calculates (and optionally plots) the convex hull of a set of points.
CoordinateConversions[text] Converts latitude and longitude to and from UTM coordinates.
Country[text] Contains polygons for the outlines for all of the countries in the world.
Datum[text] A data structure used to represent the ellipsoidal shape of the earth, used in various navigation routines.
daylight[text] Calculates duration of daylight over the course of a year.
derivatives[text] Transformation rules for finding derivatives of expressions.
DiscreteDistribution[text] Allows you to randomly choose items based on a specified probability distribution.
e[text] Calculates the digits of e, the base of the natural logarithm, to arbitrary precision.
elements[text] A basic periodic table of the elements.
exectest[text] Demonstrates starting external processes using Frink's ability to call Java code.
Fourier[text] Routines for discrete and fast Fourier transforms (FFT) of data.
geometry[text] Functions for planar geometry.
hints[text] Provides hints and help for common errors in Frink calculations.
holeearthfullgradient[text] Calculates time to fall through a hole in the center of the earth with realistic model of densities.
holeearthgradient[text] Calculates time to fall through a hole in the center of the earth with overly-simplistic model of densities.
holeearthuniform[text] Calculates time to fall through a hole in the center of the earth with naïve uniform density model.
homonyms[text] Finds homophones of words.
HTMLUtils[text] Utilities for processing HTML.
JacobiSymbol[text] Functions for calculating the Jacobi symbol and Legendre symbol.
JVMinfo[text] Displays the properties of your Java Virtual Machine. Demonstrates use of Java Introspection.
LogIntegral[text] Calculates the logarithmic integral Li[x].
lottery[text] Routines for calculating lottery odds.
LucasLehmer[text] Implements the Lucas-Lehmer test for proving primality of Mersenne primes.
Maidenhead[text] Converts between lat/long and Maidenhead coordinates.
mandelbrot[text] Draws a Mandelbrot set in plain text.
mandelbrotGraphics[text] Draws a Mandelbrot set as graphics.
mithengecorridor[text] Data for the Infinite Corridor at MIT.
mithengemoon[text] Calculates moon alignments with MIT's Infinite Corridor.
mithengesun[text] Calculates sun alignments in MIT's Infinite Corridor.
navigation[text] A library of high-precision calculations for navigating on the earth.
note[text] Functions for converting frequencies to musical notes.
palindromicNumbers[text] Finds palindromic numbers by the "reverse and add" method.
pi2[text] Calculates π to arbitrary precision.
planets[text] A library to calculate the positions of the the planets to high accuracy using the VSOP87 theory.
pollardP-1[text] An implementation of the Pollard p-1 factoring algorithm.
Processes[text] Contains functions for launching external processes from Frink.
quine[text] A program that prints its own source.
randomDistribution[text] Randomly selects elements from a discrete set with a known distribution.
relativity[text] Functions for various relativistic equations, including black holes and relativistic rockets.
RiemannZeta[text] Calculates values of the Riemann Zeta function.
root[text] Finds roots of numbers to arbitrary precision.
siderealtime[text] Calculates Greenwich Mean Sidereal Time.
sieve[text] Sieve of Eratosthenes to find prime numbers.
simplegraph[text] An simple but interesting program that uses interval arithmetic to plot equations.
solve[text] A simple program that solves a variety of algebraic equations.
solvingTransformations[text] A library of transformation rules to solve algebraic equations.
StandardAtmosphere[text] A class which implements the U.S. Standard Atmosphere of 1976. This allows calculation of pressure, temperature, air density, speed of sound, etc. at varying altitudes.
StandardAtmosphereTest[text] Contains examples of doing standard atmosphere calculations.
statistics[text] Functions for statistics including the forward and inverse error function, the normal distribution, etc.
stellarMagnitude[text] Functions for converting between stellar magnitudes, power fluxes, and total power emitted.
stock[text] Fetches stock prices from the internet.
sun[text] A massive library of astronomical calculations to find positions of the sun, moon, and other calculations.
sunplot[text] Creates data to plot the location of the sun for an entire year.
sunrise[text] Calculates times of sunrise, sunset, and twilights.
timezonediff[text] Calculates the difference between two time zones.
trigram[text] Program to find the most frequent n-letter patterns in words.
water[text] Calculates properties of water and steam to high accuracy using the IAPWS-95 model.
waterVapor[text] Calculates the absolute and relative humidity and partial vapor pressure of water.
webspider[text] Simple program to find all of the links in an HTML page.
wheelgame3[text] Simulator to find optimum play for the big-wheel-spinnin' "Showcase Showdown" game on The Price Is Right
WilliamsPPlus1[text] Factorization using the Williams p+1 factorization method.
xmldump[text] Demonstrates dumping units in an XML format.
ziplocator[text] Locates latitude and longitude of U.S. zip codes (requires data file)

Descriptions of the following programs will be added later:

100doors 16Animali 16AnimaliBox 16Pesci
16PesciBox 99bottles 99bottles2 9billionnames
abundantNumbers accelerationSolver AgencyInitiation airfoil
airfoilExtrudeTest airfoilExtrudeTestNew airfoilPoster allFactors2
allTransforms almostPrime Amazon amicableNumbers
anagramchallenge anagramlog anagramQuandary anamorph
animate animateJupiterMoons arbitrarySqrt ArcTest
ArmillarySphere army ArnaultTest AudioSystemTest
autumnEquinoxPlot babbage BallBearing ballgame
ballistics2D baseconv baseConversionTest baseConversionTiming
baseConversionTuner basetiming BBP Beaufort
benchmark1 BenfordsLaw BernoulliNumbers biathlon
bigcoord BinarySplitting BinarySplittingFactorial BinarySplittingPi
BinaryWriter birdhouse Boggle boilingPointTest
BooleanTransformations BoulderArtsAndMaths27 boyGirlPuzzle Braille
BrailleTest breaktest Brix BruteForce
BullsAndCows CacheFreeGDMII cambridgetemp cambridgetempFourier
candleHolder cap3D CarTalkPuzzle CarTalkPuzzle2
chainGuide ChineseMarch ChineseRemainderTheorem chopsticks
circleTest circularOrbit classRedefinitionTest ClipTest
ClipTestPolygon collatorTest collectTransformations colorboxes
colorillusion colorsPuzzle cometCap commentTest
consttest convergatron convergatron2 CoordinateTransformerTest
CoriolisBall CoriolisKick CornbreadCache correlation
correlationTest countryHeatMap CrackTheCode crossstitch
cryptoAES256 cryptoCircuitPuzzle cryptoProviders cryptotest
crystalradio currencySymbols curvefit curveFit
DeadDrop deBruijn decheckerboard decipherbible
decipherrabbit decodeBuilt decrypt deltat
Derby derbyDraw derbytrack derbytrack2
descriptorsFogus DigitalPerfection DigitalPerfection2 DivideAndConquer
dollarConvert DonutCutter drawCountries drawDymaxion
drawJupiterSaturn drawMD5 drawPlanets drawSaturn
drawSolarSystem drawVenus dreidel dreidelShaft
DriveYaNuts dropperHolder dumpExpression dumpUnits
DuncanDecode DurinsDay Dymaxion earthdisttest
EarthTemperature eBinarySplitting eclipse ECM
ellipsoidTest EmilysFourthHour emirp encoding
encodings epochClock epochClockBinary error
exactSeasons exponentialSpiral exponentialSpiralIn exponentialSpiralOut
extrudeTest factor factor2 factorableWords
factorFactorial factorsOf10 fetchweather fibonacci
fibonacciSpiral fireworks flag floatingPointBase
floatTiming FloydSteinbergDither fontDetails fontList
FontWidthEstimatorBuilder forensicSeismology formatEquation formatterTest
formatTest fortest fortest2 fortest3
Fourier2d FourierImage FourierImageTest fourierTemp
fouriertest FourierUtils FresnelZonePlate frinklog
fryer FTPUpload functionUtils functionUtilsTest
GaiaTest GaiaTestColumns GaiaTestGalactic Gamma
GEBCube GEBCube2 GelfandsQuestion GeneralPathClipTest
GeneralPathExample GeneralPathExamples generalPathMatch GeneralPathTest
geocaching GeometricMedian GoogleEarth GoogleTranslate
gradingProblem graph3D graphemesTest graphicalSieve
graphicsAddTest graphicsTest graphpaper GrayCodes
grayscaleBars greatCircleMap GreatPyramid Grid
gripper guitoolstest gyrojet harvest
harvest2 hemispheres hexaflexagon hexaflexagonImage
hinttest HubbleUDF humanBodySurface hyperoperation
iau1980 IEEE754 iftest ikeaBowlHolder
impossibleSphere increasingPuzzle IndianAstronomy inputtest
integrals interfacetest IntervalIntegrate intervaltest
ioioThermalTest isometricProjection jennyMoonVenus jigglyNumberPuzzle
jotto JoyDivision JoyDivisionAnimated JupiterMoons
JupiterSaturnConvergence KaplinskyPuzzle KaplinskyPuzzleSmall karatsuba
karatsubaTest kittyHockeyPuck koodipuzzle lambda
LambertW largestTweetablePrime latitudeComparison latitudeComparison2
LatLongToUTM launchdrag lefthand leftTruncatablePrimes
letterFrequency letterGraph lettergrid LiarLiarII
lineWrapper listCountries listFonts listFunctions
listUnits longestWord lowestFactor L-system
L-system-animated makeCountries manhattanhengemoon manhattanhengesun
mapDymaxion mapStates mapStatesSinusoidal mapTest
mapTimeTest mapTimezones mastermind MathML
Matrix MatrixInvert maximize McKellarPuzzle
MD5crack meeus33a meeus47a meeus47b
MercuryTransit mersenne mersennetest mersennetiming
meteorCrater MicroRevengeCache midisynth mithengefoner
mithengeplanets mithengereverse mithengereverse2 mithengereverse3
mithengereverse4 mithengereverse8 mithengeSirius mnemonics
mnemonicsMajor modTest modtimetest modtimetest2
MollweideProjection MomTetrahedron MonthWithoutAFullMoon moon3D
moonangle mooncomparison moonDrawingTest moonPlanetPlot
moonsize moonsizecut mooreslaw mugCap
multifortest multifortest2 multiline multinexttest
MultiplicationFrustration musicalscale namefreq NancyDrewDogsPuzzle
NewtonDivision NewtonsMethod nextLargestPrime nextPrimeTest
nonterm normalCurve normalCurve2 nozeroes
numberCheckerboard oonapuzzle optimumLaunch orbit
orbitalBurn OrderedList outputtest paintAlongHullTest
paniqPuzzle parametric3D parametric3DTest parseIntTest
partitions PascalsTriangle passportpic pegGame
PerfectionPiece perihelion PetersProjection pi
piChudnovsky piChudnovskyNew piPoster piRamanujan
pixelAveragingTest planarSundial planetDistance planetLocations
plotCambridgeTemp plotConvergence Pochhammer pokerhands
polygonTest ponderThis201004 ponderThis201004b powerTransformations
predictSequence previousPrimeTest PrimeAndPrejudice primebits
primechain primeCountTest primelist primeQuadruples
primeQuadruplets primesInPi primetest primetest2
primetest3 primorial printerResolutionTest printPi
PriorityQueueTest proctest properDivisors pseudoprimes
PSLQ pumpHolder punctuationCipher pushclasstest
pushtest qrcode quadtree randomprime
ReadASpecificLine RecursiveParseString RecursiveParseStringNative regression
RelativisticKineticEnergyTest repeatingDigits returnTest rewriteImage
Richter RiemannPrime RightStuff risesetchart
rollForIntelligence rootGUITest RosettaCodeUnimplemented rosettaify
rot13 roundedCubeTest RSA Rump
safePrimes SaturnChristmas scarfquine scarfquine1
scarfquinetest screwThreads screwThreadsTest screwThreadsTest3Start
screwThreadsTestRing secant showFonts shuffleTest
SierpinskiCarpet similarUnits simplegraph2 simplegraph3
simplegraph4 simplegraph5 simulatedOverload sizesort
Sneaky1 Sneaky2 socatprime SolarCooker
SolarCooker2 Solver SolverTest solveTest
solveTest2 solveTrigonometric sorttest sousvide
sousvideTy spheresProblem spheresProblem2 spiral
springEquinoxPlot sqrtWayne squarePuzzle squeezy
squeezy2 StarTram stirling Stirling
StirlingCoefficients stocktest strongPseudoprimeTest strongPsuedoprimeTest
Sudoku SudokuSmooth sumdigits summerSolsticePlot
sumTo100 suntest suntimetest systemSolver
systemSolver2 systemSolverDemo systemSolverTest systemSolverTest2
T9 TAIMinusUTC TAK TangentNumbers
TaylorSeries TelescopeViewfinder TelescopeViewfinder2 temperatureFrequency
testBaseConversions textAlignTest textAlignTest2 textcenter
textcenter3 textcenterfixed thermalTest thermocouple2
thermocouple3 thermocouple4 TierraEstella timeFullMoon
timefunc TLE tns tongs
tongsRounded TopHat3D torusTest toStringTest
TowersOfHanoi transit transit3 TravellersDilemma
trs80ify tryTest Tupper TupperGen
tvaspect TysonTweet undocumentedFunctions Unicode
unicodeGraphics unicodeGraphics2 UnitMathHelper unittable
universeNote use usehttp useparent
UTMtest VacuumNozzle vaporize2 vd
vectorTiming VenusApparent verifySSH VINChecker
VoxelArrayTest VoxelPolygonTest VoxelRotatedPolygonTest VoxelRotateTest
VoxelSolidOfRotation VoxelStrokePolygonTest VoxelTaperedPolygonTest VoxelXYZRotateTest
vsop87 Water1984 water2unicode waterold
waterUnicode wheelgame windchill winterSolsticePlot
WordFrequency Words wordTransform Writer
WWIICache wynnhenge wynnhengemoon xkcd287
XtotheX XtotheXbetter YCbCr YentzenPuzzle
ZehnGray ZipFile

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