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  2. Cyclooctatetraene - Wikipedia

    en.wikipedia.org/wiki/Cyclooctatetraene

    Ball-and-stick model of COT 2−. COT readily reacts with potassium metal to form the salt K 2 COT, which contains the dianion C 8 H 2− 8. [19] The dianion is planar, octagonal, and aromatic with a Hückel electron count of 10. Cyclooctatetraene forms organometallic complexes with some metals, including yttrium, lanthanides, and actinides. [20]

  3. Symbolab - Wikipedia

    en.wikipedia.org/wiki/Symbolab

    Symbolab is an answer engine [1] that provides step-by-step solutions to mathematical problems in a range of subjects. [2] It was originally developed by Israeli start-up company EqsQuest Ltd., under whom it was released for public use in 2011. In 2020, the company was acquired by American educational technology website Course Hero. [3] [4]

  4. Cot-1 - Wikipedia

    en.wikipedia.org/wiki/Cot-1

    Cot-1, COT-1, cot-1, or cot1 may refer to: Cot-1 DNA , used in comparative genomic hybridization cot1 y = cot1 ( y ), sometimes interpreted as arccot( y ) or arccotangent of y , the compositional inverse of the trigonometric function cotangent (see below for ambiguity)

  5. Calculator input methods - Wikipedia

    en.wikipedia.org/wiki/Calculator_input_methods

    On a single-step or immediate-execution calculator, the user presses a key for each operation, calculating all the intermediate results, before the final value is shown. [ 1 ] [ 2 ] [ 3 ] On an expression or formula calculator , one types in an expression and then presses a key, such as "=" or "Enter", to evaluate the expression.

  6. List of computer algebra systems - Wikipedia

    en.wikipedia.org/wiki/List_of_computer_algebra...

    Online computer algebra system with step-by step solutions. Xcas/Giac: Bernard Parisse 2000 2000 1.9.0-99: May 2024: Free GPL: General CAS, also adapted for the HP Prime. Compatible modes for Maple, MuPAD and TI89 syntax. Symbolic spreadsheets, Giac library for use with other programs. ARM ports for some PDAs with Linux or WinCE [26] Yacas

  7. Cot analysis - Wikipedia

    en.wikipedia.org/wiki/Cot_analysis

    C 0 t analysis, a technique based on the principles of DNA reassociation kinetics, is a biochemical technique that measures how much repetitive DNA is in a DNA sample such as a genome. [1] It is used to study genome structure and organization and has also been used to simplify the sequencing of genomes that contain large amounts of repetitive ...

  8. Hermite's cotangent identity - Wikipedia

    en.wikipedia.org/wiki/Hermite's_cotangent_identity

    In mathematics, Hermite's cotangent identity is a trigonometric identity discovered by Charles Hermite. [1] Suppose a 1 , ..., a n are complex numbers , no two of which differ by an integer multiple of π .

  9. Cot filtration - Wikipedia

    en.wikipedia.org/wiki/Cot_filtration

    C 0 t filtration, or CF, is a technique that uses the principles of DNA renaturation kinetics (i.e. Cot analysis) to separate the repetitive DNA sequences that dominate many eukaryotic genomes from "gene-rich" single/low-copy sequences.