"Curriculum Focal Points" that presented the most critical mathematical topics for each grade in elementary and middle schools. American mathematics instruction...
22 KB (2,230 words) - 04:11, 1 June 2024
NCTM released Curriculum Focal Points for Prekindergarten through Grade 8 Mathematics: A Quest for Coherence. In the Focal Points, NCTM identifies what...
19 KB (2,338 words) - 14:28, 5 July 2024
In mathematics, the eccentricity of a conic section is a non-negative real number that uniquely characterizes its shape. One can think of the eccentricity...
11 KB (1,318 words) - 21:06, 21 August 2024
Focus (geometry) (redirect from Focal radius)
In geometry, focuses or foci (/ˈfoʊkaɪ/; sg.: focus) are special points with reference to which any of a variety of curves is constructed. For example...
10 KB (1,424 words) - 22:19, 18 October 2023
In game theory, a focal point (or Schelling point) is a solution that people tend to choose by default in the absence of communication in order to avoid...
12 KB (1,691 words) - 01:31, 29 August 2024
FOCAL (acronym for Formulating On-line Calculations in Algebraic Language, or FOrmula CALculator) is an interactive interpreted programming language based...
44 KB (6,835 words) - 19:04, 31 August 2024
Cardinal point (optics) (redirect from Focal plane)
located on the optical axis of a rotationally symmetric, focal, optical system. These are the focal points, the principal points, and the nodal points; there...
20 KB (2,659 words) - 21:57, 29 August 2024
trend towards reform mathematics. In 2006, the NCTM released Curriculum Focal Points, which recommend the most important mathematical topics for each grade...
56 KB (6,006 words) - 04:54, 25 July 2024
F-number (redirect from Focal ratio)
"f/", which forms a mathematical expression of the entrance pupil's diameter in terms of f and N. For example, if a lens's focal length were 100 mm and...
43 KB (5,424 words) - 14:08, 7 September 2024
names to facilitate using it across multiple mathematical problems. Constants arise in many areas of mathematics, with constants such as e and π occurring...
37 KB (3,445 words) - 01:25, 26 August 2024
Pinhole camera model (redirect from Focal length (pinhole camera))
The pinhole camera model describes the mathematical relationship between the coordinates of a point in three-dimensional space and its projection onto...
11 KB (1,599 words) - 09:41, 9 April 2024
Plantes developed a practical method for implementing the technique, known as focal plane tomography. It relies on mechanical movement of the X-ray beam source...
21 KB (2,659 words) - 21:26, 15 August 2024
The 2006 NCTM Curriculum Focal Points have also been influential for its recommendations of the most important mathematical topics for each grade level...
124 KB (12,469 words) - 03:14, 4 June 2024
Partial (section Mathematics)
human fingers used in criminology or forensic science Partial seizure or focal seizure, a seizure that initially affects only one hemisphere of the brain...
2 KB (240 words) - 14:39, 14 October 2023
Infinity symbol (category Mathematical symbols)
The infinity symbol (∞) is a mathematical symbol representing the concept of infinity. This symbol is also called a lemniscate, after the lemniscate curves...
25 KB (2,138 words) - 07:37, 8 August 2024
The focal mechanism of an earthquake describes the deformation in the source region that generates the seismic waves. In the case of a fault-related event...
10 KB (1,213 words) - 23:14, 12 October 2023
used to focus light. Such mirrors always form a virtual image, since the focal point (F) and the centre of curvature (2F) are both imaginary points "inside"...
17 KB (1,846 words) - 10:35, 8 July 2024
HP-41C (redirect from FOCAL (Hewlett-Packard))
display of uppercase letters, digits, and a few punctuation characters (the FOCAL character set), some designs needed to be twisted arbitrarily (e.g. to distinguish...
38 KB (4,595 words) - 08:28, 24 July 2024
The Joint Mathematics Meetings (JMM) is a mathematics conference hosted annually in early January by the American Mathematical Society (AMS). Frequently...
6 KB (488 words) - 14:22, 3 February 2024
In optics, a conjugate plane or conjugate focal plane of a given plane P, is the plane P′ such that points on P are imaged on P′. If an object is moved...
3 KB (380 words) - 10:40, 8 April 2024
Reform mathematics is an approach to mathematics education, particularly in North America. It is based on principles explained in 1989 by the National...
15 KB (1,574 words) - 20:01, 29 August 2024
characterized by their focal length: a converging lens has positive focal length, while a diverging lens has negative focal length. Smaller focal length indicates...
106 KB (12,873 words) - 10:51, 11 August 2024
For a surface in three dimension the focal surface, surface of centers or evolute is formed by taking the centers of the curvature spheres, which are...
4 KB (478 words) - 07:53, 6 November 2020
Dandelin spheres (redirect from Focal sphere)
geometricis nec non de curva focali" (Inaugural mathematical dissertation on some geometric loci and also focal curves), doctoral thesis (University of Ghent...
11 KB (1,207 words) - 11:15, 6 September 2024
Conic section (redirect from Focal parameter)
passing through a focus; its half-length is the semi-latus rectum (ℓ). The focal parameter (p) is the distance from a focus to the corresponding directrix...
69 KB (9,173 words) - 08:39, 31 August 2024
Parabola (section Focal length)
In mathematics, a parabola is a plane curve which is mirror-symmetrical and is approximately U-shaped. It fits several superficially different mathematical...
80 KB (13,361 words) - 18:16, 27 May 2024
abstract algebra, the focal subgroup theorem describes the fusion of elements in a Sylow subgroup of a finite group. The focal subgroup theorem was introduced...
16 KB (2,067 words) - 20:44, 27 March 2024
Fraunhofer diffraction equation (redirect from Fraunhofer diffraction (mathematics))
distance from the diffracting object, and also when it is viewed at the focal plane of an imaging lens. The equation was named in honour of Joseph von...
34 KB (6,002 words) - 19:27, 4 September 2024
objective lens (with a 160 mm focal length) in the history of photography. It was developed by the Slovak mathematics professor Joseph Petzval in 1840...
6 KB (668 words) - 04:32, 8 April 2024
Conjugation (redirect from Conjugation (mathematics))
observables that are linked by the Heisenberg uncertainty principle Conjugate focal plane, in optics Conjugal (disambiguation) Conjoint All pages with titles...
3 KB (404 words) - 23:55, 18 October 2023