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2. Microsoft Excel - Wikipedia

   en.wikipedia.org/wiki/Microsoft_Excel

   Use of a user-defined function sq(x) in Microsoft Excel. The named variables x & y are identified in the Name Manager. The function sq is introduced using the Visual Basic editor supplied with Excel. Subroutine in Excel calculates the square of named column variable x read from the spreadsheet, and writes it into the named column variable y.

3. Spreadsheet - Wikipedia

   en.wikipedia.org/wiki/Spreadsheet

   Formulas in the B column multiply values from the A column using relative references, and the formula in B4 uses the SUM() function to find the sum of values in the B1:B3 range. A formula identifies the calculation needed to place the result in the cell it is contained within. A cell containing a formula, therefore, has two display components ...

4. Lookup table - Wikipedia

   en.wikipedia.org/wiki/Lookup_table

   In computer science, a lookup table (LUT) is an array that replaces runtime computation with a simpler array indexing operation, in a process termed as direct addressing.The savings in processing time can be significant, because retrieving a value from memory is often faster than carrying out an "expensive" computation or input/output operation. [1]

5. Approximation theory - Wikipedia

   en.wikipedia.org/wiki/Approximation_theory

   The objective is to make the approximation as close as possible to the actual function, typically with an accuracy close to that of the underlying computer's floating point arithmetic. This is accomplished by using a polynomial of high degree, and/or narrowing the domain over which the polynomial has to approximate the function. Narrowing the ...

6. AOL Mail

   mail.aol.com

   Get AOL Mail for FREE! Manage your email like never before with travel, photo & document views. Personalize your inbox with themes & tabs. You've Got Mail!

7. Approximate string matching - Wikipedia

   en.wikipedia.org/wiki/Approximate_string_matching

   Approximate matching is also used in spam filtering. [5] Record linkage is a common application where records from two disparate databases are matched. String matching cannot be used for most binary data, such as images and music.

8. Linear approximation - Wikipedia

   en.wikipedia.org/wiki/Linear_approximation

   In this approximation, trigonometric functions can be expressed as linear functions of the angles. Gaussian optics applies to systems in which all the optical surfaces are either flat or are portions of a sphere. In this case, simple explicit formulae can be given for parameters of an imaging system such as focal distance, magnification and ...

9. Why the Royal Kids Might Not Be Allowed to Keep Some of Their ...

   www.aol.com/why-royal-kids-might-not-130400241.html

   Prince William and Kate Middleton joined the rest of the royals for their annual walk around Sandringham on Christmas Day, and brought their kids along for the occasion. And before you ask, yes ...