• Maya Calendar
  • Transportation
  • John’s trip
  • Pipe
  • Department
  • Joseph
  • Cipher
  • Sticks
  • Tin Cutter
  • FORCAL
  • L–system
  • Packets
  • Crosswords (II)
  • Intervals
  • Robot
  • Network
  • Stars
  • Hexagon
  • Domino Effect
  • Pendulum
  • Border
  • The New Villa
  • Ships
  • Jury Compromise
  • Factorial Frequencies
  • Identifying Legal Pascal Real Constants
  • Extrapolation Using a Difference Table
  • Evaluating Simple C Expressions
  • The Finite State Text-Processing Machine
  • PostScript Emulation
  • Inventory Maintenance
  • Mapping the Swaps
  • Rational Numbers from Repeating Fractions
  • Recognizing Good ISBNs
  • Identifying Concurrent Events
  • Processing MX Records
  • A Node Too Far
  • Interpreting Control Sequences
  • Long Multiplication
  • SameGame Simulation
  • Master-Mind Hints
  • Non-Stop Travel
  • HTML Syntax Checking
  • What Base Is This?
  • Roman Digititis
  • It’s Ir-Resist-Able!
  • Getting Chorded
  • Run, Run, Runaround Numbers
  • Optimal Array Multiplication Sequence
  • Transferable Voting (II)
  • Pseudo-Random Numbers
  • “Cheapest” Scores
  • The Seasonal War
  • Pesky Palindromes
  • Crazy Calculator
  • The Bases Are Loaded
  • Square Pegs And Round Holes
  • Let Me Count The Ways
  • Don’t Have A Cow, Dude
  • Sex Assignments And Breeding Experiments
  • Don’t Get Hives From This One!
  • Cops and Robbers
  • 18,000 Seconds Remaining
  • Approximate Matches
  • Constitutional Computing
  • Welfare Reform
  • Cutting Up
  • Halting Factor Replacement Systems
  • Indexing Web Pages
  • Combinations
  • Bingo
  • Ackermann Functions
  • WhatFix Notation
  • Romulan Spelling
  • Big Mod Calculate
  • Inscribed Circles and Isosceles Triangles Given two real numbers
  • More Triangles ... THE AMBIGUOUS CASE
  • Cowculations
  • Intersecting Lines
  • Hi-Q
  • Call Forwarding
  • Making the Grade
  • Perfection
  • Shipping Routes
  • Slurpys
  • DNA Translation
  • Perfect Cubes
  • A Puzzling Problem
  • Galactic Import
  • Basically Speaking
  • Letter Sequence Analysis
  • Mark-up
  • Polynomial Showdown
  • The Doors
  • Mapmaker
  • Board Silly
  • Top Dog
  • Equation Elation
  • 18-Wheeler Caravans (aka Semigroups)
  • Another Puzzling Problem
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