Nowadays, it seems that we cannot do anything without passwords. Experts constantly warn us to be careful about using passwords that can be easily figured out by bad actors, advising us to create long ...

Assign the digits 0 through 9 to the letters below to create valid sums. Each letter stands for a unique digit, and all occurrences of that letter stand for the same digit. (For instance, if A = 6, ...

Word games have captured the imagination of millions worldwide, and at the forefront of this digital phenomenon is the New York Times’ Wordle. For September 20, 2025, puzzle #1554 has intrigued ...