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  2. Hidden Figures - Wikipedia

    en.wikipedia.org/wiki/Hidden_Figures

    Hidden Figures is a 2016 American biographical drama film directed by Theodore Melfi and written by Melfi and Allison Schroeder.It is loosely based on the 2016 non-fiction book of the same name by Margot Lee Shetterly about three female African-American mathematicians: Katherine Goble Johnson (Taraji P. Henson), Dorothy Vaughan (Octavia Spencer), and Mary Jackson (Janelle Monáe), who worked ...

  3. Abacus - Wikipedia

    en.wikipedia.org/wiki/Abacus

    Although blind students have benefited from talking calculators, the abacus is often taught to these students in early grades. Blind students can also complete mathematical assignments using a braille-writer and Nemeth code (a type of braille code for mathematics) but large multiplication and long division problems are tedious. The abacus gives ...

  4. TI-Nspire series - Wikipedia

    en.wikipedia.org/wiki/TI-Nspire_series

    242 grams (8.5 oz) Dimensions. 191 mm × 86 mm × 15 mm (7.5 in × 3.4 in × 0.60 in) The TI-Nspire is a graphing calculator line made by Texas Instruments, with the first version released on 25 September 2007. [1] [better source needed] The calculators feature a non- QWERTY keyboard and a different key-by-key layout than Texas Instruments's ...

  5. Indiana State Teachers' Retirement Fund - Wikipedia

    en.wikipedia.org/wiki/Indiana_State_Teachers...

    The Indiana State Teachers’ Retirement Fund ( TRF) was created by the Indiana General Assembly in 1921. Today, TRF manages and distributes the retirement benefit of educators in all public schools, as well as some charter schools and universities, throughout Indiana. Headed by a governor-appointed executive director, as well as a six-member ...

  6. Scott Flansburg - Wikipedia

    en.wikipedia.org/wiki/Scott_Flansburg

    Scott Flansburg. Scott Flansburg (born December 28, 1963) is an American dubbed "The Human Calculator" and listed in the Guinness Book of World Records for speed of mental calculation. He is the annual host and ambassador for The National Counting Bee, a math educator, and media personality. He has published the books Math Magic and Math Magic ...

  7. Student–teacher ratio - Wikipedia

    en.wikipedia.org/wiki/Student–teacher_ratio

    Student–teacher ratio or student–faculty ratio is the number of students who attend a school or university divided by the number of teachers in the institution. For example, a student–teacher ratio of 10:1 indicates that there are 10 students for every one teacher. The term can also be reversed to create a teacher–student ratio.

  8. Operating system - Wikipedia

    en.wikipedia.org/wiki/Operating_system

    Separately, there is a free space map to track free blocks, commonly implemented as a bitmap. Although any free block can be used to store a new file, many operating systems try to group together files in the same directory to maximize performance, or periodically reorganize files to reduce fragmentation .

  9. Statistics - Wikipedia

    en.wikipedia.org/wiki/Statistics

    Statistics is a mathematical body of science that pertains to the collection, analysis, interpretation or explanation, and presentation of data, or as a branch of mathematics.

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