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  2. Blend modes - Wikipedia

    en.wikipedia.org/wiki/Blend_modes

    Dodge is applied when the value on the top layer is lighter than middle gray, and burn applies when the top layer value is darker. The calculation simplifies to the sum of the bottom layer and twice the top layer, subtract 1. This mode decreases the contrast. Subtract: this blend mode sums the value in the two layers and subtracts 1. Unlike ...

  3. List of interactive geometry software - Wikipedia

    en.wikipedia.org/wiki/List_of_interactive...

    Most are DGEs: software that allows the user to manipulate ("drag") the geometric object into different shapes or positions. The main example of a supposer is the Geometric Supposer, which does not have draggable objects, but allows students to study pre-defined shapes. Nearly all of the following programs are DGEs.

  4. Formula calculator - Wikipedia

    en.wikipedia.org/wiki/Formula_calculator

    The formula calculator concept can be applied to all types of calculator, including arithmetic, scientific, statistics, financial and conversion calculators. The calculation can be typed or pasted into an edit box of: A software package that runs on a computer, for example as a dialog box. An on-line formula calculator hosted on a web site.

  5. Mathematical operators and symbols in Unicode - Wikipedia

    en.wikipedia.org/wiki/Mathematical_operators_and...

    ๐Ÿต ๐Ÿถ ๐Ÿท ๐Ÿธ ๐Ÿน ๐Ÿบ ๐Ÿป ๐Ÿผ ๐Ÿฝ ๐Ÿพ ๐Ÿฟ Notes 1. ^ As of Unicode version 16.0 ... The Geometric Shapes block (U+25A0โ€“U+25FF) contains geometric shape ...

  6. Minkowski addition - Wikipedia

    en.wikipedia.org/wiki/Minkowski_addition

    The Minkowski difference (also Minkowski subtraction, Minkowski decomposition, or geometric difference) [1] is the corresponding inverse, where () produces a set that could be summed with B to recover A. This is defined as the complement of the Minkowski sum of the complement of A with the reflection of B about the origin. [2]

  7. Windows Calculator - Wikipedia

    en.wikipedia.org/wiki/Windows_Calculator

    A simple arithmetic calculator was first included with Windows 1.0. [5]In Windows 3.0, a scientific mode was added, which included exponents and roots, logarithms, factorial-based functions, trigonometry (supports radian, degree and gradians angles), base conversions (2, 8, 10, 16), logic operations, statistical functions such as single variable statistics and linear regression.

  8. Microsoft PowerPoint - Wikipedia

    en.wikipedia.org/wiki/Microsoft_PowerPoint

    System requirements: (Windows) 386 PC or higher, Windows 3.1, 8 MB RAM. (Mac) 68020 Mac or better, System 7 or higher, 8 MB RAM. [242] PowerPoint 7.0 For Windows: July 1995 [194] Part of Microsoft Office for Windows 95. Innovations included: new animation effects, real curves and textures, black and white view, autocorrect, insert symbol ...

  9. Straightedge and compass construction - Wikipedia

    en.wikipedia.org/wiki/Straightedge_and_compass...

    The elements of this field are precisely those that may be expressed as a formula in the original points using only the operations of addition, subtraction, multiplication, division, complex conjugate, and square root, which is easily seen to be a countable dense subset of the plane. Each of these six operations corresponding to a simple ...