Brainteaser Index

[Weregoose]

Read the rules

Make one (following the rules, please!)
Teaser 76 – Permutation Cycles
Teaser 75 – i^N
Teaser 74 – Count Down Timer
Teaser 73 – String inside a String
Teaser 72 – Detect Whether Ans is a String or a Number
Teaser 71 – Italian Scrabble
Teaser 70 – Generating all possible binary numbers
Teaser 69 – Radical Simplification
Teaser 68 – Significant Figures
Teaser 67 – Jacobi Symbol
Teaser 66 – Piecewise Linear Interpolant/Trapezoidal Rule
Teaser 65 – Replacment of Vowels
Teaser 64 – Magnitudes
Teaser 63 – Circulant Matrix
Teaser 62 – String Modification
Teaser 61 – Geometric Progression Tester
Teaser 60 – Rotate a Number
Teaser 59 – Quadratic Residues, modulo n
Teaser 58 – Polynomial multiplication
Teaser 57 – Sort a List Without SortA or SortD
Teaser 56 – X^X == 10^N
Teaser 55 – List to number base conversion
Teaser 54 – Remove duplicates from a list
Teaser 53 – Find Nth Digit of a Positive Integer
Teaser 52 – Exponentiation in modular arithmetic
Teaser 51 – List to list of frequency Rotine
Teaser 50 – Exchange Matrix
Teaser 49 – Packing Characters into reals/lists
Teaser 48 – Store pure binary in a real
Teaser 47 – GCD of a list
Teaser 46 – Angle Solver by Cosine
Teaser 45 – Prime number calculator
Teaser 44 – Two-State Switch and Display
Teaser 43 – Shortest Linear Regression program
Teaser 42 – Duplicates in a List
Teaser 41 – A in a quadratic
Teaser 40 – Reverse List
Teaser 39 – Matrix
Teaser 38 – Approaching Pi
Teaser 37 – Text to Binary
Teaser 36 – Outputting getKey codes
Teaser 35 – The Sylvester matrix
Teaser 34 – [TI-82] Smallest UIDs for alpha, 2nd, & reg chars
Teaser 33 – superInString(Thanks, Demon, for the challenge)
Teaser 32 – Simple (?) Calculation
Teaser 31 – Qwerty type
Teaser 30 – Huge Fibonacci Numbers
Teaser 29 – The Atbash Cipher
Teaser 28 – Reverse String
Teaser 27 – Sine/Cosine Approximator
Teaser 26 – Number Pad Reader
Teaser 25 – Digit Rearrangements
Teaser 24 – Permutation Matrix
Teaser 23 – Polynomial Derivatives
Teaser 22 – Matrix Border
Teaser 21 – Pi Digits
Teaser 20 – Matrix to String
Teaser 19 – Kronecker Product
Teaser 18 – Mode Calculator
Teaser 17 – Fraction Converter
Teaser 16 – Logarithm Calculator
Teaser 14 and 15 – Continued Fractions and Fibonacci Numbers
Teaser 13 – Dodge The Asteroids
Teaser 12 – Nth Digit of Pi
Teaser 11 – Quine
Teaser 10 – Card Shuffler
Teaser 9 – Arithmetic-Geometric Mean
Teaser 8 – Decimal to Binary Converter
Teaser 7 – Random Card Generator
Teaser 5 and 6 – Graphical Menu and Triangle Solver
Teaser 4 – Angle Between Clock Hands
Teaser 3 – Advanced Pythagorean Formula
Teaser 1 and 2 – Pythagorean Theorem and Quadratic Formula