In mathematics, a unit square is a square whose sides have length 1. Often, the unit square refers specifically to the square in the Cartesian plane with...

The square is an Imperial unit of area that is used in the construction industry in the United States and Canada, and was historically used in Australia...

engineering, the imaginary unit is normally denoted by j instead of i, because i is commonly used to denote electric current. Square roots of negative numbers...

Unit set, a singleton, a set with exactly 1 element Unit sphere, a sphere with a radius of length 1 Unit square, a square with sides of length 1 Unit...

merged with Square Enix's European publishing organization, business unit Square Enix Europe. Eidos' US operations were merged with Square Enix Incorporated...

shape, often a square or circle. Square packing in a square is the problem of determining the maximum number of unit squares (squares of side length one)...

derived units (for example, hertz, the SI unit of measurement of frequency), but the rest merely reflect their derivation: for example, the square metre...

lexicographic ordering on the unit square (sometimes the dictionary order on the unit square) is a topology on the unit square S, i.e. on the set of points...

The pound per square inch (abbreviation: psi) or, more accurately, pound-force per square inch (symbol: lbf/in2), is a unit of measurement of pressure...

squared". The name square number comes from the name of the shape. The unit of area is defined as the area of a unit square (1 × 1). Hence, a square with...

The square metre (international spelling as used by the International Bureau of Weights and Measures) or square meter (American spelling) is the unit of...

lx) is the unit of illuminance, or luminous flux per unit area, in the International System of Units (SI). It is equal to one lumen per square metre. In...

Pythagorean theorem Square lattice Square number Square root Squaring the square Squircle Unit square Weisstein, Eric W. "Square". Wolfram MathWorld....

Pythagorean trigonometric identity Riemannian circle Radian Unit disk Unit sphere Unit hyperbola Unit square Turn (angle) z-transform Smith chart For further discussion...

point in a higher dimensional region, typically the unit square (or more generally an n-dimensional unit hypercube). Because Giuseppe Peano (1858–1932) was...

comparing the shape to squares of a fixed size. In the International System of Units (SI), the standard unit of area is the square metre (written as m2)...

packing in a square is a packing problem in recreational mathematics, where the aim is to pack n unit circles into the smallest possible square. Equivalently...

unit of length because integer multiples of it can form one acre of square measure (area). The 'perfect acre' is a rectangular area of 43,560 square feet...

The steradian (symbol: sr) or square radian is the unit of solid angle in the International System of Units (SI). It is used in three dimensional geometry...

\\w_{21}&=x(1-y),\\w_{22}&=xy.\end{aligned}}} Alternatively, the interpolant on the unit square can be written as f ( x , y ) = a 00 + a 10 x + a 01 y + a 11 x y , {\displaystyle...

SI symbol: ha) is a non-SI metric unit of area equal to a square with 100-metre sides (1 hm2), that is, 10,000 square metres (10,000 m2), and is primarily...

The square mile (abbreviated as sq mi and sometimes as mi2) is an imperial and US unit of measure for area. One square mile is equal to the area of a square...

triangle by an area of half a unit for its top/bottom edge to align with a grid line, resulting overall loss in one unit square area. Mitsunobu Matsuyama's...

Standard basis Unit interval Unit square, cube, circle, sphere, and hyperbola Vector notation Vector of ones Unit matrix Weisstein, Eric W. "Unit Vector". Wolfram...

per square metre (symbol: cd/m2) is the unit of luminance in the International System of Units (SI). The unit is based on the candela, the SI unit of luminous...

ultimate tensile strength. The unit, named after Blaise Pascal, is an SI coherent derived unit defined as one newton per square metre (N/m2). It is also equivalent...

The square foot (pl. square feet; abbreviated sq ft, sf, or ft2; also denoted by '2 and ⏍) is an imperial unit and U.S. customary unit (non-SI, non-metric)...

{T}}A\mathbf {y} .} An orthogonal matrix is a square matrix with real entries whose columns and rows are orthogonal unit vectors (i.e., orthonormal vectors). Equivalently...

Peano's curve is a surjective, continuous function from the unit interval onto the unit square, however it is not injective. Peano was motivated by an earlier...

cube is 1 cubic unit, and its total surface area is 6 square units. The term unit cube or unit hypercube is also used for hypercubes, or "cubes" in n-dimensional...