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2. Formula editor - Wikipedia

   en.wikipedia.org/wiki/Formula_editor

   Formula editor. A formula editor is a computer program that is used to typeset mathematical formulas and mathematical expressions. Formula editors typically serve two purposes: They allow word processing and publication of technical content either for print publication, or to generate raster images for web pages or screen presentations.

3. Mathematics of paper folding - Wikipedia

   en.wikipedia.org/wiki/Mathematics_of_paper_folding

   In 1996, Marshall Bern and Barry Hayes showed that the problem of assigning a crease pattern of mountain and valley folds in order to produce a flat origami structure starting from a flat sheet of paper is NP-complete. [18] In 1999, a theorem due to Haga provided constructions used to divide the side of a square into rational fractions. [19] [20]

4. Spreadsheet - Wikipedia

   en.wikipedia.org/wiki/Spreadsheet

   A spreadsheet is a computer application for computation, organization, analysis and storage of data in tabular form. [1][2][3] Spreadsheets were developed as computerized analogs of paper accounting worksheets. [4] The program operates on data entered in cells of a table. Each cell may contain either numeric or text data, or the results of ...

5. Kumon - Wikipedia

   en.wikipedia.org/wiki/Kumon

   Kumon was founded by Toru Kumon, a Japanese educator, in July 1958, when he opened the first Kumon Maths Centre in Moriguchi, Osaka. Prior to creating the Kumon franchise, Kumon taught at Kochi Municipal High School and Tosa Junior/Senior High School. Inspired by teaching his own son, Takeshi, Kumon developed a curriculum focused on rote ...

6. Worksheet - Wikipedia

   en.wikipedia.org/wiki/Worksheet

   In accounting, a worksheet is, or was, a sheet of ruled paper with rows and columns on which an accountant could record information or perform calculations. These are often called columnar pads, and typically green-tinted. In office software, spreadsheet software presents, on a computer monitor, a user interface that resembles one or more paper ...

7. Graph paper - Wikipedia

   en.wikipedia.org/wiki/Graph_paper

   Graph paper, coordinate paper, grid paper, or squared paper is writing paper that is printed with fine lines making up a regular grid. It is available either as loose leaf paper or bound in notebooks. It is commonly found in mathematics and engineering education settings, exercise books, and in laboratory notebooks.