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2. Free algebra - Wikipedia

   en.wikipedia.org/wiki/Free_algebra

   For example, X 1 X 2 does not equal X 2 X 1. More generally, one can construct the free algebra R E on any set E of generators. Since rings may be regarded as Z-algebras, a free ring on E can be defined as the free algebra Z E . Over a field, the free algebra on n indeterminates can be constructed as the tensor algebra on an n-dimensional ...

3. List of logic symbols - Wikipedia

   en.wikipedia.org/wiki/List_of_logic_symbols

   propositional logic, Boolean algebra: The statement is true if and only if A is false. A slash placed through another operator is the same as placed in front. The prime symbol is placed after the negated thing, e.g. ′ [2]

4. 96 Shortcuts for Accents and Symbols: A Cheat Sheet

   www.aol.com/lifestyle/96-shortcuts-accents...

   The post 96 Shortcuts for Accents and Symbols: A Cheat Sheet appeared first on Reader's Digest. ... To use alt key codes for keyboard shortcut symbols you’ll need to have this enabled.

5. Help:Cheatsheet - Wikipedia

   en.wikipedia.org/wiki/Help:Cheatsheet

   sources in the article will appear where {{reflist}} is put, typically under a level 2 section heading (see below) towards the bottom of the page; text between {{}} is for a template.

6. Glossary of mathematical symbols - Wikipedia

   en.wikipedia.org/wiki/Glossary_of_mathematical...

   A mathematical symbol is a figure or a combination of figures that is used to represent a mathematical object, an action on mathematical objects, a relation between mathematical objects, or for structuring the other symbols that occur in a formula. As formulas are entirely constituted with symbols of various types, many symbols are needed for ...

7. Mathematical operators and symbols in Unicode - Wikipedia

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

   Mathematical operators and symbols are in multiple Unicode blocks. Some of these blocks are dedicated to, or primarily contain, mathematical characters while others are a mix of mathematical and non-mathematical characters. This article covers all Unicode characters with a derived property of "Math". [2] [3]

8. APL syntax and symbols - Wikipedia

   en.wikipedia.org/wiki/APL_syntax_and_symbols

   Also note the keyboard had some 55 unique (68 listed per tables above, including comparative symbols but several symbols appear in both monadic and dyadic tables) APL symbol keys (55 APL functions (operators) are listed in IBM's 5110 APL Reference Manual), thus with the use of alt, shift and ctrl keys - it would theoretically have allowed a ...

9. 23 Windows Keyboard Shortcuts: A Cheat Sheet - AOL

   www.aol.com/23-window-keyboard-shortcuts-cheat...

   Here are some Windows key commands and what they do: Windows key (Win): opens the Start menu on your computer. Windows button + Tab: switch your view from one open window to the next.