Frink Sample Programs

Documentation * FAQ * What's New * Download * Frink Applet * Web Interface * Frink Server Pages * Frink on Android * Donate

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 2020-04-01 PM 11:57:12.000 (Wed) Mountain Daylight Time)

Search:

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 99bottles 99bottles2 9billionnames
abundantNumbers accelerationSolver AgencyInitiation allFactors2
allTransforms almostPrime Amazon amicableNumbers
anagramchallenge anagramlog anagramQuandary anamorph
animate animateJupiterMoons arbitrarySqrt ArcTest
ArnaultTest AudioSystemTest autumnEquinoxPlot 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
BullsAndCows CacheFreeGDMII cambridgetemp cambridgetempFourier
CarTalkPuzzle CarTalkPuzzle2 ChineseMarch circleTest
circularOrbit classRedefinitionTest ClipTest ClipTestPolygon
collatorTest collectTransformations colorboxes colorillusion
colorsPuzzle commentTest consttest convergatron
convergatron2 CoriolisBall CoriolisKick CornbreadCache
correlation correlationTest countryHeatMap CrackTheCode
crossstitch cryptoAES256 cryptoCircuitPuzzle cryptoProviders
cryptotest crystalradio curvefit curveFit
DeadDrop deBruijn decheckerboard decipherbible
decipherrabbit decodeBuilt decrypt deltat
Derby derbyDraw derbytrack derbytrack2
descriptorsFogus DivideAndConquer dollarConvert drawCountries
drawDymaxion drawMD5 drawSolarSystem DriveYaNuts
dumpExpression dumpUnits DuncanDecode DurinsDay
Dymaxion earthdisttest EarthTemperature eBinarySplitting
eclipse ECM EmilysFourthHour emirp
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
GaiaTestColumns GaiaTestGalactic Gamma GelfandsQuestion
GeneralPathClipTest GeneralPathExample GeneralPathExamples generalPathMatch
GeneralPathTest geocaching GeometricMedian GoogleEarth
GoogleTranslate gradingProblem graphemesTest graphicalSieve
graphicsAddTest graphicsTest graphpaper GrayCodes
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 jotto JoyDivision
JoyDivisionAnimated KaplinskyPuzzle KaplinskyPuzzleSmall karatsuba
karatsubaTest koodipuzzle lambda LambertW
largestTweetablePrime latitudeComparison latitudeComparison2 LatLongToUTM
launchdrag lefthand leftTruncatablePrimes letterFrequency
letterGraph lettergrid LiarLiarII lineWrapper
listCountries listFonts listFunctions listUnits
longestWord lowestFactor L-system-animated makeCountries
manhattanhengemoon manhattanhengesun mapDymaxion mapStates
mapStatesSinusoidal 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
MollweideProjection 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
PascalsTriangle passportpic pegGame perihelion
PetersProjection pi 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 properDivisors pseudoprimes punctuationCipher
pushclasstest pushtest qrcode quadtree
randomprime RecursiveParseString RecursiveParseStringNative regression
RelativisticKineticEnergyTest repeatingDigits returnTest rewriteImage
Richter RiemannPrime RightStuff risesetchart
rollForIntelligence rootGUITest RosettaCodeUnimplemented rot13
RSA Rump safePrimes 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
sumTo100 suntest suntimetest systemSolver
systemSolver2 systemSolverDemo systemSolverTest systemSolverTest2
T9 TAIMinusUTC TAK TangentNumbers
temperatureFrequency testBaseConversions textAlignTest textAlignTest2
textcenter textcenter3 textcenterfixed thermalTest
TierraEstella timeFullMoon timefunc TLE
tns toStringTest TowersOfHanoi transit
transit3 TravellersDilemma trs80ify tryTest
Tupper TupperGen tvaspect TysonTweet
undocumentedFunctions Unicode unicodeGraphics unicodeGraphics2
UnitMathHelper unittable universeNote use
usehttp useparent UTMtest vaporize2
vd vectorTiming VenusApparent verifySSH
VINChecker vsop87 Water1984 water2unicode
waterold waterUnicode wheelgame windchill
WordFrequency Words wordTransform Writer
WWIICache wynnhenge wynnhengemoon xkcd287
XtotheX XtotheXbetter YCbCr YentzenPuzzle
ZehnGray ZipFile

Alan Eliasen was born 18493 days, 19 hours, 19 minutes ago.

Back to Frink Documentation