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 2019-07-08 AM 12:54:32.000 (Mon) 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.
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.
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.
pi[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.
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.
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 99bottles 99bottles2 9billionnames
accelerationSolver AgencyInitiation allFactors2 allTransforms
almostPrime Amazon amicableNumbers anagramchallenge
anagramlog anagramQuandary anamorph animate
ArcTest ArnaultTest AudioSystemTest BallBearing
ballgame ballistics2D baseconv baseConversionTest
baseConversionTiming baseConversionTuner basetiming BBP
Beaufort benchmark1 BenfordsLaw BernoulliNumbers
biathlon bigcoord BinarySplitting BinarySplittingFactorial
BinarySplittingPi BinaryWriter birdhouse Boggle
BooleanTransformations BoulderArtsAndMaths27 boyGirlPuzzle Braille
BrailleTest breaktest Brix CacheFreeGDMII
cambridgetemp cambridgetempFourier CarTalkPuzzle CarTalkPuzzle2
ChineseMarch circleTest circularOrbit classRedefinitionTest
ClipTest ClipTestPolygon collatorTest colorboxes
colorillusion commentTest consttest convergatron
convergatron2 CoriolisBall CoriolisKick CornbreadCache
correlation correlationTest Country crossstitch
cryptoAES256 cryptoCircuitPuzzle cryptoProviders cryptotest
crystalradio curvefit curveFit DeadDrop
deBruijn decheckerboard decipherbible decipherrabbit
decodeBuilt decrypt deltat Derby
derbyDraw derbytrack derbytrack2 DivideAndConquer
dollarConvert drawCountries drawDymaxion drawMD5
drawSolarSystem DriveYaNuts dumpExpression dumpUnits
DuncanDecode DurinsDay Dymaxion e
earthdisttest EarthTemperature eBinarySplitting eclipse
ECM EmilysFourthHour encoding encodings
epochClock epochClockBinary error exactSeasons
exponentialSpiral exponentialSpiralIn exponentialSpiralOut factor
factor2 factorableWords factorFactorial factorsOf10
fetchweather fibonacci fibonacciSpiral fireworks
flag floatingPointBase floatTiming FloydSteinbergDither
fontDetails fontList FontWidthEstimatorBuilder forensicSeismology
formatterTest formatTest fortest fortest2
fortest3 Fourier2d FourierImage FourierImageTest
fourierTemp fouriertest FourierUtils FresnelZonePlate
frinklog fryer FTPUpload functionUtils
functionUtilsTest GaiaTest Gamma GelfandsQuestion
GeneralPathClipTest GeneralPathExample GeneralPathExamples generalPathMatch
GeneralPathTest geocaching GeometricMedian GoogleEarth
GoogleTranslate gradingProblem graphemesTest graphicalSieve
graphicsAddTest graphicsTest graphpaper grayscaleBars
greatCircleMap GreatPyramid Grid guitoolstest
gyrojet harvest harvest2 hemispheres
hexaflexagon hexaflexagonImage hinttest hyperoperation
iau1980 IEEE754 iftest increasingPuzzle
IndianAstronomy inputtest integrals interfacetest
IntervalIntegrate intervaltest ioioThermalTest jennyMoonVenus
jigglyNumberPuzzle JoyDivision JoyDivisionAnimated KaplinskyPuzzle
KaplinskyPuzzleSmall karatsuba karatsubaTest koodipuzzle
lambda LambertW largestTweetablePrime latitudeComparison
latitudeComparison2 LatLongToUTM launchdrag lefthand
leftTruncatablePrimes letterFrequency letterGraph lettergrid
LiarLiarII listFonts longestWord lowestFactor
L-system-animated makeCountries manhattanhengemoon manhattanhengesun
mapDymaxion mapTest mapTimeTest mapTimezones
mastermind Matrix 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
MomTetrahedron MonthWithoutAFullMoon moonangle mooncomparison
moonDrawingTest moonPlanetPlot moonsize moonsizecut
mooreslaw multifortest multifortest2 multiline
multinexttest MultiplicationFrustration musicalscale namefreq
NancyDrewDogsPuzzle NewtonDivision NewtonsMethod nextLargestPrime
nextPrimeTest nonterm normalCurve normalCurve2
nozeroes numberCheckerboard oonapuzzle optimumLaunch
orbit orbitalBurn OrderedList outputtest
paniqPuzzle parseIntTest partitions passportpic
pegGame perihelion PetersProjection pi2
piChudnovsky piChudnovskyNew piPoster piRamanujan
pixelAveragingTest planarSundial planetDistance planetLocations
plotCambridgeTemp Pochhammer pokerhands polygonTest
ponderThis201004 ponderThis201004b powerTransformations predictSequence
previousPrimeTest PrimeAndPrejudice primebits primechain
primeCountTest primelist primeQuadruples primeQuadruplets
primesInPi primetest primetest2 primetest3
printerResolutionTest printPi proctest pseudoprimes
punctuationCipher pushclasstest pushtest qrcode
quadtree randomprime RecursiveParseString RecursiveParseStringNative
regression repeatingDigits returnTest rewriteImage
Richter RiemannPrime RightStuff risesetchart
rollForIntelligence rootGUITest rot13 RSA
Rump scarfquine scarfquine1 scarfquinetest
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 StarTram stocktest
strongPseudoprimeTest strongPsuedoprimeTest Sudoku SudokuSmooth
sumdigits summerSolsticePlot suntest suntimetest
systemSolver systemSolver2 systemSolverDemo systemSolverTest
systemSolverTest2 T9 TAIMinusUTC TAK
TangentNumbers temperatureFrequency testBaseConversions textAlignTest
textAlignTest2 textcenter textcenter3 textcenterfixed
thermalTest TierraEstella timefunc timezonegraph
TLE tns toStringTest transit
transit3 TravellersDilemma trs80ify tryTest
Tupper TupperGen tvaspect TysonTweet
Unicode unicodeGraphics unicodeGraphics2 UnitMathHelper
unittable universeNote use usehttp
useparent UTMtest vaporize2 vd
vectorTiming VenusApparent verifySSH VINChecker
vsop87 wheelgame windchill Words
wordTransform Writer WWIICache wynnhenge
wynnhengemoon xkcd287 XtotheX XtotheXbetter
YCbCr YentzenPuzzle ZehnGray ZipFile

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