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Pito Salas is a Curaçaoan-American Cambridge, Massachusetts-based software developer.While working with Lotus ' Advanced Technology Group in 1986, Salas invented the pivot table, a "next-generation" spreadsheet concept that was released by Lotus in 1989, as Lotus Improv.
A pivot table is a table of values which are aggregations of groups of individual values from a more extensive table (such as from a database, spreadsheet, or business intelligence program) within one or more discrete categories. The aggregations or summaries of the groups of the individual terms might include sums, averages, counts, or other ...
Power Pivot supports the use of expression languages to query the model and calculate advanced measures. Pivot tables or pivot charts may be used to explore the model once built. It is available as an add-in in Excel 2010, as a separate download for Excel 2013, and is included by default since Excel 2016.
The American Board for Certification of Teacher Excellence, often referred to as the American Board, was launched with a $5 million federal grant from the U.S. Department of Education in 2001. [1] The non-partisan, non-profit organization 's mission is to certify subject experts, experienced professionals, career changers, and military veterans ...
National Board Certification is a voluntary advanced professional certification based on the NBPTS standards. There are 25 different certificates available. Candidates for National Board Certification must complete four components: three portfolio entries, submitted online, and a computer-based assessment, which is administered at a testing center.
Future teachers (on left) receive their education degrees in a graduation ceremony. A certified teacher (also known as registered teacher, licensed teacher, or professional teacher based on jurisdiction) is an educator who has earned credentials from an authoritative source, such as a government's regulatory authority, an education department/ministry, a higher education institution, or a ...
Alternative teacher certification is a process by which a person is awarded a teaching license even though that person has not completed a traditional teacher certification program. In the US, traditional teacher certification is earned through completing a bachelor's or master's degree in education , taking standardized tests (usually a Praxis ...
Mathematics Teacher: Learning and Teaching PK-12. According to the NCTM, this journal "reflects the current practices of mathematics education, as well as maintaining a knowledge base of practice and policy in looking at the future of the field. Content is aimed at preschool to 12th grade with peer-reviewed and invited articles."