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2. NWEA - Wikipedia

   en.wikipedia.org/wiki/NWEA

   U.S. Website. nwea.org. The Northwest Evaluation Association (NWEA) [1][2] is a division of Houghton Mifflin Harcourt (acquired by HMH in 2023) that creates academic assessments for students pre-K-12. NWEA assessments are used by over 50,000 schools and districts in 149 countries. [3] There are over 16.2 million students using NWEA. [4]

3. Four color theorem - Wikipedia

   en.wikipedia.org/wiki/Four_color_theorem

   A four-colored map of the states of the United States (ignoring lakes and oceans) In mathematics, the four color theorem, or the four color map theorem, states that no more than four colors are required to color the regions of any map so that no two adjacent regions have the same color. Adjacent means that two regions share a common boundary of ...

4. Equal-area projection - Wikipedia

   en.wikipedia.org/wiki/Equal-area_projection

   Equal-area projection. In cartography, an equivalent, authalic, or equal-area projection is a map projection that preserves relative area measure between any and all map regions. Equivalent projections are widely used for thematic maps showing scenario distribution such as population, farmland distribution, forested areas, and so forth, because ...

5. Gall–Peters projection - Wikipedia

   en.wikipedia.org/wiki/Gall–Peters_projection

   Gall–Peters projection. The Gall–Peters projection is a rectangular, equal-area map projection. Like all equal-area projections, it distorts most shapes. It is a cylindrical equal-area projection with latitudes 45° north and south as the regions on the map that have no distortion. The projection is named after James Gall and Arno Peters.

6. Mathematics - Wikipedia

   en.wikipedia.org/wiki/Mathematics

   Mathematics is a field of study that discovers and organizes methods, theories and theorems that are developed and proved for the needs of empirical sciences and mathematics itself. There are many areas of mathematics, which include number theory (the study of numbers), algebra (the study of formulas and related structures), geometry (the study ...

7. Alternating multilinear map - Wikipedia

   en.wikipedia.org/wiki/Alternating_multilinear_map

   Alternating multilinear map. In mathematics, more specifically in multilinear algebra, an alternating multilinear map is a multilinear map with all arguments belonging to the same vector space (for example, a bilinear form or a multilinear form) that is zero whenever any pair of its arguments is equal. This generalizes directly to a module over ...