Stacking a square with a square gives a double square

If replacing each number by its square produces another magic square, the square is said to be a Bimagic Square (or Doubly Magic Square).

If replacing each number ni by its square ni2 produces another magic square, the square is said to be a bimagic or doubly magic square.

The square of 3 plus the square of 4 equals the square of 5.

Together with the Black Square, Malevich creates the Black Cross and the Black Circle.

Chines and/or best ends

Chines and/or best ends

Chines and/or best ends

Chines and/or best ends

Chines and/or best ends

A circle-circle-square moves either as a double circle, or as a simple square.

In mathematics, "the square is a possibility of squareness".

IMPORTANT PROPORTIONS : Square, or almost square body.

One square foot is the equivalent of 0,09290304 square meters.

A square number is also known as a perfect square.

In mathematics, "the square is a possibility of squareness".

There was talk of a green square and a light blue square.

There was talk of a green square and a light blue square.

Martinez pointed to a stark, square building to her right.

The square of 3 (9) plus the square of 4 (16) equals the square of 5 (25).

Fig. 2a shows a main square field (#5) and a corresponding additional square field.

Add 2, also, to each of the remaining squares to and including #16 — which means following 28 (Square #1) with 29 (square #14), 30 (square #14) and 31 (square #16).