Open links in new tab
  1. A Lovely Puzzle ("Figuratively" speaking) - Puzzling Stack Exchange

    Mar 1, 2026 · I'm thinking of a specific object 퐶. It consists of a symbol 퐸 and a symbol 퐻. Half of 퐸 is 푇. 퐻 split in half is exactly less than 푇. Now, if 퐸 is "of" 퐻 you'll get the object...

  2. terminology - Is there a standard word or phrase that means 'raised to ...

    Mar 3, 2025 · $x^2$ is read as 'x squared' and $x^3$ is read as 'x cubed' I would have naively thought then that $x^4$ could be read as 'x tesseract-ed' or something similar.

  3. Two quarter circles in a rectangle - Puzzling Stack Exchange

    Apr 7, 2026 · Two quarter circles of radius 1 are inscribed in a 1 × 2 rectangle as shown below. Each side of the rectangle has a corner of one of the quarter circles. Wherever things appear to be …

  4. Which country has the 'HOTTEST' flag? - Puzzling Stack Exchange

    Apr 7, 2026 · There exists a code by which the words MARS, MOP, RAJ and HALEST (among others) can be mapped to specific flags (see the image below). Using this same code, to the flag of which …

  5. discrete mathematics - Why is this floor function identity true ...

    Apr 7, 2026 · I disagree with the suggested dupe closure. In this question the point is what happens to the floor function when we subtract a small amount from an integer. On the other hand, in the …

  6. Million-to-Collatz Challenge! - Puzzling Stack Exchange

    4 days ago · The goal is to find the smallest number you can that would take exactly 1,000,000 steps to get to 1 under the standard Collatz procedure with no skips i.e. 3n+1 if n is odd, n/2 otherwise. n-bit …

  7. Binary 4x4 grid with distinct strings - Puzzling Stack Exchange

    Feb 24, 2026 · Is it possible to fill a 4x4 grid with 0 and 1, such that every row, column and two main diagonals form distinct binary strings? The two diagonals are top-left to bottom-right and top-right to …

  8. quadratics - Sum of all solutions - Mathematics Stack Exchange

    Jun 29, 2017 · $$x^2-2(3m-1)x+2m+3=0$$ Find the sum of solutions. It says that the sum equals to $-1$. I just can't wrap my head around this.

  9. Coaxality of three circles in a complete cyclic quadrilateral

    5 days ago · Let $ABCD$ be a cyclic quadrilateral. Consider the three intersection points of its pairs of opposite sides: $P = AB \\cap CD$, $Q = AC \\cap BD$, $R = AD \\cap BC ...

  10. Maximum Board Coverage: One of Every Chess Piece

    Feb 27, 2026 · I am trying to find the maximum number of squares that can be threatened on a standard chessboard using exactly one of each chess piece. You have exactly 6 pieces of the same color: 1 …