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  2. Formula editor - Wikipedia

    en.wikipedia.org/wiki/Formula_editor

    Also supports Microsoft Word equations, Wolfram Alpha to see the computation results and answers, MathJax, Google Docs equations, MathType equations, Wiki equations, AsciiMathML, and Text-To-Speech to read out math expressions. Personal Edition is for general purpose use.

  3. Elementary algebra - Wikipedia

    en.wikipedia.org/wiki/Elementary_algebra

    To solve this kind of equation, the technique is add, subtract, multiply, or divide both sides of the equation by the same number in order to isolate the variable on one side of the equation. Once the variable is isolated, the other side of the equation is the value of the variable. [ 37 ]

  4. Equation solving - Wikipedia

    en.wikipedia.org/wiki/Equation_solving

    In the simple case of a function of one variable, say, h(x), we can solve an equation of the form h(x) = c for some constant c by considering what is known as the inverse function of h. Given a function h : A → B , the inverse function, denoted h −1 and defined as h −1 : B → A , is a function such that

  5. Completing the square - Wikipedia

    en.wikipedia.org/wiki/Completing_the_square

    Simple attempts to combine the x 2 and the bx rectangles into a larger square result in a missing corner. The term (b/2) 2 added to each side of the above equation is precisely the area of the missing corner, whence derives the terminology "completing the square". [8]

  6. Mathematics - Wikipedia

    en.wikipedia.org/wiki/Mathematics

    Download as PDF; Printable version ... be implemented and can solve systems of polynomial equations and ... fundamental frequencies of vibration are in simple ...

  7. Number sentence - Wikipedia

    en.wikipedia.org/wiki/Number_sentence

    In mathematics education, a number sentence is an equation or inequality expressed using numbers and mathematical symbols. The term is used in primary level mathematics teaching in the US, [ 1 ] Canada, UK, [ 2 ] Australia, New Zealand [ 3 ] and South Africa.

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