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 2019-01-02 AM 01:09:39.578 (Wed) Mountain Standard Time)

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 almostPrime
Amazon anagramchallenge anagramlog anagramQuandary
anamorph animate ArcTest ArnaultTest
BallBearing ballgame ballistics2D baseconv
baseConversionTest baseConversionTiming baseConversionTuner basetiming
BBP benchmark1 BenfordsLaw BernoulliNumbers
biathlon bigcoord BinarySplittingFactorial 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
DeadDrop deBruijn decheckerboard decipherbible
decipherrabbit decodeBuilt decrypt deltat
Derby derbyDraw derbytrack derbytrack2
DivideAndConquer dollarConvert drawCountries drawDymaxion
drawMD5 drawSolarSystem DriveYaNuts DuncanDecode
DurinsDay Dymaxion earthdisttest EarthTemperature
eBinarySplitting eclipse ECM EmilysFourthHour
encoding encodings epochClock epochClockBinary
error exactSeasons exponentialSpiral exponentialSpiralIn
exponentialSpiralOut factor factor2 factorsOf10
fetchweather fibonacci fibonacciSpiral fireworks
flag floatingPointBase floatTiming FloydSteinbergDither
fontDetails fontList FontWidthEstimatorBuilder forensicSeismology
formatterTest formatTest fortest fortest2
fortest3 Fourier2d fourierTemp fouriertest
FresnelZonePlate frinklog fryer FTPUpload
functionUtils functionUtilsTest GaiaTest Gamma
GelfandsQuestion GeneralPathClipTest GeneralPathExample GeneralPathExamples
generalPathMatch GeneralPathTest geocaching GoogleEarth
GoogleTranslate gradingProblem graphemesTest graphicalSieve
graphicsAddTest graphicsTest graphpaper grayscaleBars
greatCircleMap GreatPyramid Grid guitoolstest
gyrojet harvest harvest2 hemispheres
hexaflexagon hexaflexagonImage hinttest 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 letterFrequency
letterGraph lettergrid LiarLiarII listFonts
longestWord lowestFactor L-system-animated makeCountries
manhattanhengemoon manhattanhengesun mapDymaxion mapTimeTest
mapTimezones mastermind Matrix maximize
McKellarPuzzle MD5crack meeus33a meeus47a
meeus47b MercuryTransit mersenne mersennetest
mersennetiming meteorCrater MicroRevengeCache midisynth
mithengefoner mithengeplanets mithengereverse mithengereverse2
mithengereverse3 mithengereverse4 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
parseIntTest partitions passportpic pegGame
perihelion PetersProjection piChudnovsky piChudnovskyNew
piPoster piRamanujan pixelAveragingTest planarSundial
planetDistance planetLocations plotCambridgeTemp Pochhammer
pokerhands polygonTest ponderThis201004 ponderThis201004b
powerTransformations 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
sqrtWayne squarePuzzle StarTram stocktest
Sudoku SudokuSmooth sumdigits 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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