Best First Two WORDLE Guesses (in Word Problems)
Posted on 2024-08-07 by Larry (Solution Posted, 3 Comments)
Posted on 2024-08-07 by Larry (Solution Posted, 3 Comments)
What Number Comes Next (in Numbers) Rating: 5.00
Posted on 2024-03-31 by Larry (No Solution Yet, 1 Comments)
Posted on 2024-03-31 by Larry (No Solution Yet, 1 Comments)
3 3s times 3 3s has 9 9s (in Numbers) Rating: 5.00
Posted on 2024-03-24 by Larry (No Solution Yet, 3 Comments)
Posted on 2024-03-24 by Larry (No Solution Yet, 3 Comments)
Atbash Self Referential Number (in Numbers)
Posted on 2024-02-27 by Larry (Solution Posted, 4 Comments)
Posted on 2024-02-27 by Larry (Solution Posted, 4 Comments)
Multiplication Includes All Digits (in Numbers)
Posted on 2024-02-16 by Larry (No Solution Yet, 4 Comments)
Posted on 2024-02-16 by Larry (No Solution Yet, 4 Comments)
n-Pandigital and k-Divisible (in Numbers)
Posted on 2023-10-08 by Larry (No Solution Yet, 1 Comments)
Posted on 2023-10-08 by Larry (No Solution Yet, 1 Comments)
Reversing Minute Hand Clock (in Just Math)
Posted on 2023-09-19 by Larry (No Solution Yet, 1 Comments)
Posted on 2023-09-19 by Larry (No Solution Yet, 1 Comments)
Maximize Rectangle on Semicircle in Triangle (in Calculus)
Posted on 2023-08-08 by Larry (No Solution Yet, 5 Comments)
Posted on 2023-08-08 by Larry (No Solution Yet, 5 Comments)
Seven-digit Number (in Numbers) Rating: 5.00
Posted on 2023-07-28 by Larry (No Solution Yet, 5 Comments)
Posted on 2023-07-28 by Larry (No Solution Yet, 5 Comments)
Concatenate Three Primes, Make Six Primes (in Numbers)
Posted on 2023-07-20 by Larry (No Solution Yet, 1 Comments)
Posted on 2023-07-20 by Larry (No Solution Yet, 1 Comments)
Included in both A^B and B^A (in Numbers)
Posted on 2023-06-01 by Larry (Solution Posted, 1 Comments)
Posted on 2023-06-01 by Larry (Solution Posted, 1 Comments)
Ternary Multiplication Algorithm (in Algorithms) Rating: 5.00
Posted on 2023-03-24 by Larry (Solution Posted, 2 Comments)
Posted on 2023-03-24 by Larry (Solution Posted, 2 Comments)
What is Half and Half (in Riddles) Rating: 4.00
Posted on 2023-03-09 by Larry (Solution Posted, 6 Comments)
Posted on 2023-03-09 by Larry (Solution Posted, 6 Comments)
Integers with Happy, Healthy Babies (in Numbers)
Posted on 2023-01-26 by Larry (No Solution Yet, 1 Comments)
Posted on 2023-01-26 by Larry (No Solution Yet, 1 Comments)
Special Words 3 (in Word Problems) Rating: 5.00
Posted on 2022-12-04 by Larry (No Solution Yet, 3 Comments)
Posted on 2022-12-04 by Larry (No Solution Yet, 3 Comments)
From sum to addends 2 (in Numbers) Rating: 5.00
Posted on 2022-07-28 by Larry (No Solution Yet, 3 Comments)
Posted on 2022-07-28 by Larry (No Solution Yet, 3 Comments)
Perfect Powers with no Repeat Digits (in Numbers) Rating: 5.00
Posted on 2022-07-22 by Larry (No Solution Yet, 1 Comments)
Posted on 2022-07-22 by Larry (No Solution Yet, 1 Comments)
Spellements 2 (in General) Rating: 4.00
Posted on 2022-07-15 by Larry (No Solution Yet, 13 Comments)
Posted on 2022-07-15 by Larry (No Solution Yet, 13 Comments)
SOD(power) = power (in Numbers) Rating: 5.00
Posted on 2022-07-07 by Larry (No Solution Yet, 1 Comments)
Posted on 2022-07-07 by Larry (No Solution Yet, 1 Comments)
A Pair of Factorial Quartic Equations (in Numbers) Rating: 4.00
Posted on 2022-07-02 by Larry (Solution Posted, 4 Comments)
Posted on 2022-07-02 by Larry (Solution Posted, 4 Comments)
Why Eat? (in Word Problems) Rating: 5.00
Posted on 2022-06-20 by Larry (Solution Posted, 2 Comments)
Posted on 2022-06-20 by Larry (Solution Posted, 2 Comments)
Primorial Penultimate Piece (in Numbers) Rating: 5.00
Posted on 2022-06-14 by Larry (No Solution Yet, 2 Comments)
Posted on 2022-06-14 by Larry (No Solution Yet, 2 Comments)
Arithmetic Derivative (in Numbers) Rating: 5.00
Posted on 2022-06-10 by Larry (No Solution Yet, 7 Comments)
Posted on 2022-06-10 by Larry (No Solution Yet, 7 Comments)
What did I do wrong? (in Numbers) Rating: 5.00
Posted on 2022-04-22 by Larry (Solution Posted, 4 Comments)
Posted on 2022-04-22 by Larry (Solution Posted, 4 Comments)
3 Pals make a Pal (in Numbers) Rating: 5.00
Posted on 2022-04-20 by Larry (No Solution Yet, 2 Comments)
Posted on 2022-04-20 by Larry (No Solution Yet, 2 Comments)
Move the digit, Change the base (in Numbers) Rating: 5.00
Posted on 2022-04-19 by Larry (No Solution Yet, 10 Comments)
Posted on 2022-04-19 by Larry (No Solution Yet, 10 Comments)
Flipflop the digits, octuple the number (in Numbers) Rating: 5.00
Posted on 2022-03-30 by Larry (No Solution Yet, 5 Comments)
Posted on 2022-03-30 by Larry (No Solution Yet, 5 Comments)
Difference is sod sum (in Numbers) Rating: 4.00
Posted on 2022-01-28 by Larry (No Solution Yet, 4 Comments)
Posted on 2022-01-28 by Larry (No Solution Yet, 4 Comments)
Powers of 3, 4, and 7 Included (in Numbers) Rating: 4.00
Posted on 2022-01-10 by Larry (Solution Posted, 5 Comments)
Posted on 2022-01-10 by Larry (Solution Posted, 5 Comments)
function of s.o.d. of prime (in Numbers) Rating: 4.00
Posted on 2021-12-31 by Larry (Solution Posted, 2 Comments)
Posted on 2021-12-31 by Larry (Solution Posted, 2 Comments)
Factorion plus one: Factoritwo (in Numbers) Rating: 5.00
Posted on 2021-12-16 by Larry (Solution Posted, 2 Comments)
Posted on 2021-12-16 by Larry (Solution Posted, 2 Comments)
Product of odd primes with distinct digits (in Numbers) Rating: 5.00
Posted on 2021-07-23 by Larry (Solution Posted, 5 Comments)
Posted on 2021-07-23 by Larry (Solution Posted, 5 Comments)
Three Signs and Constant Speed (in Just Math) Rating: 5.00
Posted on 2021-07-08 by Larry (Solution Posted, 2 Comments)
Posted on 2021-07-08 by Larry (Solution Posted, 2 Comments)
Reversible Cubes (in Numbers) Rating: 5.00
Posted on 2021-06-29 by Larry (Solution Posted, 5 Comments)
Posted on 2021-06-29 by Larry (Solution Posted, 5 Comments)
There Can Be Only Twelve (in Word Problems) Rating: 5.00
Posted on 2021-06-10 by Larry (Solution Posted, 4 Comments)
Posted on 2021-06-10 by Larry (Solution Posted, 4 Comments)
quadratic ^ quadratic (in General) Rating: 4.00
Posted on 2021-04-06 by Larry (Solution Posted, 5 Comments)
Posted on 2021-04-06 by Larry (Solution Posted, 5 Comments)
Solitaire: Probability Of No First Move (in Probability)
Posted on 2021-01-12 by Larry (No Solution Yet, 5 Comments)
Posted on 2021-01-12 by Larry (No Solution Yet, 5 Comments)
Concatenation equals Sum of Squares (in Numbers)
Posted on 2020-12-01 by Larry (No Solution Yet, 5 Comments)
Posted on 2020-12-01 by Larry (No Solution Yet, 5 Comments)
Exponentiation Equals Concatenation (in Numbers) Rating: 3.00
Posted on 2020-11-14 by Larry (No Solution Yet, 4 Comments)
Posted on 2020-11-14 by Larry (No Solution Yet, 4 Comments)
Concatenation of Prime Factors is Pandigital (in Numbers)
Posted on 2020-10-15 by Larry (No Solution Yet, 2 Comments)
Posted on 2020-10-15 by Larry (No Solution Yet, 2 Comments)
Sums of Sums of Triangular Numbers (in Just Math) Rating: 4.50
Posted on 2020-09-05 by Larry (Solution Posted, 2 Comments)
Posted on 2020-09-05 by Larry (Solution Posted, 2 Comments)
Average Of Digits of powers (in Numbers) Rating: 3.00
Posted on 2020-08-20 by Larry (No Solution Yet, 7 Comments)
Posted on 2020-08-20 by Larry (No Solution Yet, 7 Comments)
Two Digit Average 2 (in Numbers) Rating: 5.00
Posted on 2020-04-15 by Larry (Solution Posted, 2 Comments)
Posted on 2020-04-15 by Larry (Solution Posted, 2 Comments)
3-Digit Sequence in a Grid (in Sequences) Rating: 5.00
Posted on 2020-04-06 by Larry (Solution Posted, 3 Comments)
Posted on 2020-04-06 by Larry (Solution Posted, 3 Comments)
p(Ascending Number) closest to .01 (in Probability)
Posted on 2020-03-16 by Larry (No Solution Yet, 3 Comments)
Posted on 2020-03-16 by Larry (No Solution Yet, 3 Comments)
The Celebrated Jumping Frog of Perplexus County (in Probability)
Posted on 2020-03-04 by Larry (No Solution Yet, 2 Comments)
Posted on 2020-03-04 by Larry (No Solution Yet, 2 Comments)
Three Squares make a Triangle (in Shapes) Rating: 3.00
Posted on 2019-12-23 by Larry (No Solution Yet, 3 Comments)
Posted on 2019-12-23 by Larry (No Solution Yet, 3 Comments)
NARROW + STREET = AVENUE (in Numbers) Rating: 4.33
Posted on 2019-11-27 by Larry (No Solution Yet, 3 Comments)
Posted on 2019-11-27 by Larry (No Solution Yet, 3 Comments)
SOD cubed equals Sum of Squares of SODs (in Numbers) Rating: 4.00
Posted on 2019-11-20 by Larry (Solution Posted, 4 Comments)
Posted on 2019-11-20 by Larry (Solution Posted, 4 Comments)
What's Seven Got To Do With It? (in Sequences) Rating: 3.00
Posted on 2018-05-14 by Larry (Solution Posted, 2 Comments)
Posted on 2018-05-14 by Larry (Solution Posted, 2 Comments)
Find a Few Functions (in Calculus) Rating: 4.00
Posted on 2018-04-15 by Larry (No Solution Yet, 3 Comments)
Posted on 2018-04-15 by Larry (No Solution Yet, 3 Comments)
Defrosting the Cone (in Calculus) Rating: 3.00
Posted on 2014-10-02 by Larry (No Solution Yet, 1 Comments)
Posted on 2014-10-02 by Larry (No Solution Yet, 1 Comments)
More Consecutive Semiprimes (in Numbers)
Posted on 2009-09-08 by Larry (No Solution Yet, 6 Comments)
Posted on 2009-09-08 by Larry (No Solution Yet, 6 Comments)
The Day of the Locus (in Shapes) Rating: 4.00
Posted on 2006-12-07 by Larry (Solution Posted, 3 Comments)
Posted on 2006-12-07 by Larry (Solution Posted, 3 Comments)
Mister Resistor (in Science) Rating: 4.67
Posted on 2006-11-03 by Larry (Solution Posted, 113 Comments)
Posted on 2006-11-03 by Larry (Solution Posted, 113 Comments)
The Holy Cannoli (in Shapes) Rating: 4.50
Posted on 2006-11-01 by Larry (No Solution Yet, 8 Comments)
Posted on 2006-11-01 by Larry (No Solution Yet, 8 Comments)
The Infinite Drive (in Science) Rating: 3.50
Posted on 2006-02-18 by Larry (Solution Posted, 5 Comments)
Posted on 2006-02-18 by Larry (Solution Posted, 5 Comments)
Good Morning (in Cryptography) Rating: 3.67
Posted on 2005-11-17 by Larry (Solution Posted, 7 Comments)
Posted on 2005-11-17 by Larry (Solution Posted, 7 Comments)
Microwave Math (in Just Math) Rating: 3.50
Posted on 2005-11-08 by Larry (Solution Posted, 8 Comments)
Posted on 2005-11-08 by Larry (Solution Posted, 8 Comments)
Trigonometry Nest 2 (in Just Math) Rating: 3.00
Posted on 2005-11-07 by Larry (Solution Posted, 7 Comments)
Posted on 2005-11-07 by Larry (Solution Posted, 7 Comments)
Fade sequence (in Sequences) Rating: 3.50
Posted on 2005-10-26 by Larry (Solution Posted, 5 Comments)
Posted on 2005-10-26 by Larry (Solution Posted, 5 Comments)
2nd difference sequence (in Sequences) Rating: 3.50
Posted on 2005-10-22 by Larry (Solution Posted, 11 Comments)
Posted on 2005-10-22 by Larry (Solution Posted, 11 Comments)
Proper sequence (in Sequences) Rating: 2.50
Posted on 2005-10-05 by Larry (Solution Posted, 19 Comments)
Posted on 2005-10-05 by Larry (Solution Posted, 19 Comments)
String and Wood (in Shapes) Rating: 3.00
Posted on 2005-08-08 by Larry (Solution Posted, 6 Comments)
Posted on 2005-08-08 by Larry (Solution Posted, 6 Comments)
MovieMadness (in Sequences) Rating: 2.00
Posted on 2005-07-20 by Larry (Solution Posted, 22 Comments)
Posted on 2005-07-20 by Larry (Solution Posted, 22 Comments)
Cartoon Prison (in Cryptography) Rating: 4.40
Posted on 2005-05-21 by Larry (Solution Posted, 12 Comments)
Posted on 2005-05-21 by Larry (Solution Posted, 12 Comments)
Underwater Sound Localization (in Science) Rating: 4.00
Posted on 2005-04-14 by Larry (Solution Posted, 17 Comments)
Posted on 2005-04-14 by Larry (Solution Posted, 17 Comments)
Tethered satellites (in Science) Rating: 3.50
Posted on 2005-04-13 by Larry (Solution Posted, 13 Comments)
Posted on 2005-04-13 by Larry (Solution Posted, 13 Comments)
Sequence E.T. cetera (in Cryptography) Rating: 3.33
Posted on 2005-04-05 by Larry (Solution Posted, 11 Comments)
Posted on 2005-04-05 by Larry (Solution Posted, 11 Comments)
Firing Line (in Algorithms) Rating: 3.75
Posted on 2004-08-25 by Larry (Solution Posted, 16 Comments)
Posted on 2004-08-25 by Larry (Solution Posted, 16 Comments)