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 2017-03-13 AM 12:00:27.000 (Mon) 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] Contains transformation rules primarily for finding derivatives of expressions.
compound[text] Routines for calculating masses of chemical compounds.
continuedFraction[text] Routines for generating continued fraction representations of numbers.
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 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 cryptoProviders cryptotest
crystalradio DeadDrop 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 error exactSeasons exponentialSpiral
exponentialSpiralIn exponentialSpiralOut factor factor2
fetchweather fibonacci fibonacciSpiral flag
floatingPointBase FloydSteinbergDither fontDetails fontList
FontWidthEstimatorBuilder forensicSeismology formatterTest formatTest
fortest fortest2 fortest3 Fourier2d
fourierTemp fouriertest FresnelZonePlate frinklog
fryer Gamma gammaTest GelfandsQuestion
GeneralPathClipTest GeneralPathExample GeneralPathExamples generalPathMatch
GeneralPathTest geocaching GoogleEarth GoogleTranslate
graphemesTest graphicalSieve graphicsAddTest graphicsTest
graphpaper grayscaleBars greatCircleMap GreatPyramid
guitoolstest gyrojet harvest harvest2
hemispheres hexaflexagon hexaflexagonImage hinttest
iau1980 IEEE754 iftest IndianAstronomy
inputtest integrals interfacetest IntervalIntegrate
intervaltest ioioThermalTest jennyMoonVenus JoyDivision
JoyDivisionAnimated karatsuba karatsubaTest koodipuzzle
lambda LambertW LatLongToUTM launchdrag
lefthand letterFrequency letterGraph lettergrid
LiarLiarII listFonts longestWord lowestFactor
L-system-animated makeCountries manhattanhengemoon manhattanhengesun
mapDymaxion mapTimeTest mastermind Matrix
maximize MD5crack meeus33a meeus47a
meeus47b MercuryTransit mersenne mersennetest
mersennetiming meteorCrater MicroRevengeCache midisynth
mithengefoner mithengeplanets mithengereverse mithengereverse2
mithengereverse3 mithengereverse4 mithengeSirius mnemonics
mnemonicsMajor modtimetest modtimetest2 MomTetrahedron
MonthWithoutAFullMoon moonangle mooncomparison moonDrawingTest
moonPlanetPlot moonsize moonsizecut mooreslaw
multifortest multifortest2 multiline multinexttest
MultiplicationFrustration musicalscale namefreq NancyDrewDogsPuzzle
NewtonDivision nextLargestPrime nextPrimeTest nonterm
normalCurve normalCurve2 nozeroes numberCheckerboard
optimumLaunch orbit orbitalBurn OrderedList
outputtest partitions passportpic pegGame
perihelion PetersProjection piChudnovsky piRamanujan
pixelAveragingTest planarSundial planetDistance planetLocations
plotCambridgeTemp pokerhands polygonTest ponderThis201004
ponderThis201004b primebits primechain primelist
primeQuadruples primeQuadruplets primesInPi primetest
primetest2 primetest3 printerResolutionTest printPi
proctest punctuationCipher pushclasstest pushtest
qrcode quadtree randomprime regression
repeatingDigits returnTest rewriteImage Richter
RightStuff risesetchart rollForIntelligence rootGUITest
rot13 RSA Rump scrabbleMargie
secant showFonts shuffleTest SierpinskiCarpet
similarUnits simplegraph2 simplegraph3 simplegraph4
simulatedOverload sizesort Sneaky1 Sneaky2
socatprime SolarCooker SolarCooker2 Solver
SolverTest solveTest solveTest2 sorttest
sousvide sousvideTy spheresProblem spheresProblem2
spiral squarePuzzle StarTram stocktest
Sudoku SudokuSmooth sumdigits suntest
suntimetest systemSolver systemSolver2 systemSolverDemo
systemSolverTest systemSolverTest2 T9 TAIMinusUTC
TAK TangentNumbers temperatureFrequency testBaseConversions
textAlignTest textcenter textcenter3 textcenterfixed
thermalTest TierraEstella timefunc TLE
tns toStringTest transit transit3
TravellersDilemma trs80ify tryTest Tupper
TupperGen tvaspect TysonTweet Unicode
unicodeGraphics unicodeGraphics2 UnitMathHelper unittable
universeNote use usehttp useparent
UTMtest vaporize2 vd VenusApparent
verifySSH VINChecker vsop87 wheelgame
windchill wordTransform Writer WWIICache
wynnhenge wynnhengemoon XtotheX XtotheXbetter
YCbCr YentzenPuzzle ZehnGray ZipFile

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