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 2019-05-24 AM 01:26:56.000 (Fri) Mountain Daylight 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 allTransforms
almostPrime Amazon amicableNumbers anagramchallenge
anagramlog anagramQuandary anamorph animate
ArcTest ArnaultTest AudioSystemTest 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 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
earthdisttest EarthTemperature eBinarySplitting eclipse
ECM EmilysFourthHour encoding encodings
epochClock epochClockBinary error exactSeasons
exponentialSpiral exponentialSpiralIn exponentialSpiralOut factor
factor2 factorableWords factorsOf10 fetchweather
fibonacci fibonacciSpiral fireworks flag
floatingPointBase floatTiming FloydSteinbergDither fontDetails
fontList FontWidthEstimatorBuilder forensicSeismology formatterTest
formatTest fortest fortest2 fortest3
Fourier2d FourierImage FourierImageTest 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
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 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 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 sqrtWayne squarePuzzle
StarTram stocktest strongPseudoprimeTest strongPsuedoprimeTest
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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