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The PPX Exchange was a newsletter produced by Texas Instruments.
The issues that appear here remain the copyrighted property of their original publishers and authors. Copying and/or further redistribution without the copyright holders' permission is prohibited.
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PPX Exchange
PPX News (in Portuguese)
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PPX User Programs
- 000018
 Star Trek II (scan courtesy Florian Stassen)
- 028007 Labor and Material Cost Estimate
- 048001 Gompertz Growth Function Curve Fit
- 058003 Small Business General Payroll Program
- 078004 Life Insurance Costs - Interest Adjusted Method
- 088006 Analysis of Graduated Payment Mortgage Loan
- 088021 Home Loan Analysis
- 098015 Cost Estimate for Construction (with rounding)
- 208008 Polynomial Regression
- 208059F Polynomial Curve Fit With Errors
- 208081 Linearity Analysis from Multipoint Data
- 298059 Generic Josephus Permutation
- 298075 Expanded Combinations, Permutations, Factorials
- 358004 Euler, Improved Euler, Runge Kutta (scan courtesy Tito Junior)
- 358006 Your Numerical Differentiation Package (scan courtesy Tito Junior)
- 368005 Roman Numeral Conversion
- 368009 HCF & LCM
- 368027 Roman Numeral Math
- 368027C Extended Roman Numeral Math
- 368038 Prime Number Patterns
- 368041 Integer As Sum of 4 Squares
- 388002-mod Pattern Search
- 398004 Maxima and Minima
- 398006 Function and Derivatives
- 398010 Least-Mean-Square Fit of a Polynomial
- 398092 Majic Squares
- 398116 Prime Number Generator
- 398131 High Speed Prime Tester
- 398132 Pascal's Triangle Term Generator
- 398153 Simultaneous Equations #2
- 398179 Magic Squares 3x3 through 6x6
- 398197 Happy Numbers
- 398199 Location of Primes at Specific Intervals
- 398201 Prime Number Database Generator
- 398205 Simultaneous Equations
- 398225G Prime Factors of an Integer
- 398234 24 Digit Multiplication
- 398239H Triple Precision Arithmetic
- 398278 13 Digit Modulo 30 Speedy Factor Finder
- 418001 Perfect Gas Law
- 418015 General Thermodynamics
- 418017 Acid-Base Titration
- 418031 PH Computation
- 418032 PH Computation II
- 418033 PH Computation III
- 418034 Nernst Equation
- 418048 Mole Conversions
- 418054 Vapor Pressure & Heat of Vaportization
- 418070 Intrinsic Melt Viscosity
- 418076 Alkyd-Polyester Theoretical Molecular Weight
- 498001 Wind Chill Temp
- 508001 Calorie Determined Weight Program
- 548007 Scanning DNA for Restriction Enzyme Sites
- 608017 U.S. Standard Atmosphere, 1976
- 618001 Flash Calculation - LV Ratio to be Determined
- 618002 Redlich-Kwong Equation
- 618003 Bubble and Dew Point Temperatures
- 618008 Solution to Pipe Problems (Liquid Only)
- 618009 Binary Distillation by McCabe-Thiele Method
- 618010 Steam Tables - Vapor
- 618012 Heat Transfer Coefficient - Pressure Drop
- 618013 Incompressible Fluid Pipeline Pressure Drop
- 618014 Heat Exchanger Thermodynamics
- 618015 Heat Exchanger Log Mean Delta Temp
- 618017 Orifice Calculations for Liquids
- 618029 Fluid-Flow One-Phase
- 618036 Two Phase Flow
- 618051 Restrictive Orifice Sizing - Iterative Solution
- 628001 Trapezoidal Channel Depth and Velocity
- 628002 Four Span Moment Distribution
- 628003 Moment of Inertia
- 628004 Warren Truss Solution
- 628005 Dynamic Loading-Single Degree of Freedom
- 628006 Concrete Beam Stress Analysis
- 628011 Reservoir Design
- 628022 HazeniWilliams Formula (Pipes)
- 628024 Equivalent Pipe Methid
- 628042 Hydraulic Pressure-head Loss
- 628071 Pump Data Analysis
- 628079 Pipe Network Calculator
- 628126 Determination of Moment of Inertia
- 628154 Water Hammer Analysis
- 638006 TI Programmer Simulator (scan courtesy Florian Stassen)
- 638006-equ TI Programmer Simulator
- 638025 HP-65 to HP-67 mini compiler
- 638034 4 function, 16 bit binary arithmetic
- 648005 Transformer Differential Tap Settings
- 658004 Power Supply Filter Design (scan courtesy Tito Junior)
- 658023 Active Low Pass, High Pass and Band Pass Filters (scan courtesy Tito Junior)
- 708001 Basic Noise Control (scan courtesy Tito Junior)
- 788015 Moon Phase for any Date
- 908002 Number Storage and Retrieval
- 908017 Calendar Printer
- 908042 Add Subtract Time
- 908045 Large Alphanumerics
- 908054 Utility Grids
- 908073 Cryptographic Encoder-Decoder
- 908075 High Density Integer Storage (scan courtesy Tito Junior)
- 908086 Array Manipulations (scan courtesy Tito Junior)
- 908119 Magnetic Card Comparator
- 908120 Utility Routines VI Conditional Transfers (scan courtesy Tito Junior)
- 908122 Twenty-four hour elapsed time
- 908125 Message Encoder-Decoder
- 908128 Variable Print Symbol Banner
- 908130 Vertical Banner Program
- 908134 Word Processor
- 908141 Twenty-four hour clock
- 908156 Small 2 Line Banner
- 908159 Two-line Banner
- 908160 Even More Alpha Register Listers
- 908164 Writing and Alphabetizing Words
- 908175 Memory Malfunction Diagnostic
- 908180 SR-56 to TI-59 Code Converter
- 908181 SR-52 Program Converter
- 908184 RPN Simulator
- 908185 TI-57 Listing
- 908190 SR-56 to TI-59 Translator
- 908192 Fast Calendar Printout #2
- 908199 Headline Printer
- 908204 Reversible Banner
- 908219 Mini Banner #2
- 908226 List 13 Digit Registers
- 908229 Complete Date Printer
- 908241 Correcting Typewriter
- 918014 Football
- 918018 Golf
- 918021 Craps Revisited
- 918025 Checkers
- 918027 Card Dealer-Bingo Caller
- 918028 Football (Solitaire)
- 918031 Super Code Breaker
- 918032 Game of Gale
- 918035 Scrambled Eggs
- 918037 Golf #2
- 918038 Horse Race
- 918043 One-Armed Bandit
- 918048 Seven Card Low Poker
- 918050 Keno
- 918056 Blackjack
- 918060 Hamurabi
- 918062 Calculator Ping-Pong
- 918065 Game of Kayles
- 918066 Basketball
- 918070 Arithmetic Game
- 918071 Memory Flashcard
- 918072 Intelligence Tester
- 918073 Draw Poker
- 918074 Game of Qubic
- 918076 Game of Life
- 918079 Deluxe Baseball
- 918080 Ant invasion
- 918081 Game of Blitz
- 918082 Double Play Games
- 918083 Battleship
- 918084 Super Mindbreaker
- 918086 Speedy Interactive Mastermind, 2 digits
- 918087 Speedy Interactive Mastermind, 3 digits
- 918088 Aircraft Carrier Landing
- 918090 Seven Card Stud Poker
- 918095 Casino Roulette
- 918097 Black Box
- 918100 Blackjack for 13 Players
- 918101 TI-59 & PC-100 Demonstration
- 918102 Hi-Q
- 918103 Interchange
- 918106 Knight's Tour
- 918107 Crap Game
- 918115 Hangman
- 918117 Action Craps
- 918118 Advanced Baseball
- 918119 Chuck-A-Luck Dice Game
- 918121 Dungeons and Dragons
- 918122 Hanoi Game Simulator
- 918124 Wipeout!
- 918126 Duel
- 918127 Wythoff's NIM
- 918129 Bullseye Game
- 918133 Stars
- 918136 Blackjack
- 918139 Blackjack for One Player
- 918140 Tic Tac Toe
- 918142 Son of Jive Turkey
- 918143 Magic Square
- 918146 Battleship
- 918148 Roulet-59
- 918149 Jumbled Letters
- 918150 Bango
- 918151 Hangman #2.pdf
- 918154 Solitaire Checkers
- 918158 Greedy.pdf
- 918161 Space Search
- 918162 Cross Country Auto Race
- 918163 Hunt the Wumpus
- 918167 Remainder Game
- 918172 Ski Race
- 918178 Star Wars (scan courtesy Florian Stassen)
- 918185 Baseball III
- 918186 Improved Tic Tac Toe
- 918187 Checkmate
- 918189 Two Dice Simulator
- 918191 Trap Game
- 918192 High Stakes
- 918195 Banner
- 918199 Bingo Card Printer
- 918200 Chomp
- 918202 Playing Card Shuffle, Draw, and List
- 918204 Phanton Banner in own Background
- 918209 Russian Roulette
- 918211 Baccarat
- 918212 Thaipan
- 918215 The Mansion
- 918217 Backgammon
- 918218 Lunar Lander in 4D
- 918219 The Joker's Wild
- 918221 Chase
- 918222 Alpha Moon Shot
- 918224 Hexapawn
- 918225 Cribbage Showing
- 918226 Anagrams
- 918226B Anagrams
- 918230 The Dragon
- 918232 What Now
- 918233 Treasure Hunt
- 918237 So Sorry
- 918238 Asteroid Attack
- 918239A Anagrams
- 918239B Anagrams
- 918241 Hangman Illustrated
- 918245 Misadventure
- 918246 Ballistics Game
- 918247 Chemin De Fer
- 918248 Le Cave
- 918249 San Francisco Liar's Dice
- 918251 Awari
- 918255 Mouse in a Maze
- 918256 Buried Treasure
- 918257 Magic Squares 3x3 through 6x6 #2
- 918259 Hunt the Mugwump
- 918261 Adventurer
- 918264 Barbudi
- 918267 Las Vegas Blackjack
- 918268 Bingo
- 918269 Tic Tac Toe for Two
- 918270 Instant Insanity 4 Cube Problem
- 918272 Buck Rogers with AM Radio Twiki Sounds
- 918273 Alien Invasion
- 918275 Baccarat
- 918277 Simon Says
- 918278 Drag Race
- 918279 Monopoly
- 918280 Deluxe Demonstration
- 918281 Yot Race
- 918282 Jive Turkey Revisited
- 918283 Darts
- 918286 Rule Away
- 918287 Cover Up
- 918288 Elongated Banner
- 918291 Santa Clause and His Reindeer
- 918295 Snakes and Ladders
- 918296 Two Deck Suffle
- 918299 Ice Hockey Game
- 918301 Liar's Dice
- 918303 Phanton Banner in own Background #2
- 918305 Computer Perfection
- 918306 Towers of Hanoi
- 918310 Farkler
- 918318 Cokes
- 928008 Interactive Arithmetic Teacher
- 928022 Spell-A-Number
- 928033 Sum of Digits Game
- 928041 Sum of Three Digits
- 928064 Triangle
- 938015 Distance Between Geographic Points
- 938017 Distance by Rudoe's Formula
- 948014 Sunrise-Sunset
- 948017 Sun Sight Reduction
- 948032 Sunrise and Length of Day
- 998013 Automobile Trip Accounting (scan courtesy Tito Junior)
- 998042 Julian Calendar Adjustment for ML 20
- 998043 Date in Future
- 998044 Julian Day Number Calendar
- unnumbered Memory Diagnostic with SST Commands
- unnumbered Print Code Table Printer
- (unpublished) Solution to Remainder Game
- (unpublished) Bars per slice (SR-52)
- (unpublished) VBE
- (unpublished) Workdays between dates
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