ExceLab Patents


  • Ghaddar, C. K. (2020), "Method, Apparatus, and Computer Program Product for Solving Single and Multiple Integral Equations Using Spreadsheet Software". USA Patent No. 10628634.

  • Ghaddar, C. K. (2018), "Method, Apparatus, and Computer Program Product for Solving Equation System Models Using Spreadsheet Software". USA Patent No. 9892108.

  • Ghaddar, C. K. (2018), "Method, Apparatus, and Computer Program Product for Solving an Equation System Using Pure Spreadsheet Functions". USA Patent No. 10114812.

  • Ghaddar, C. K. (2016), "Method, Apparatus, and Computer Program Product for Optimizing Parameterized Models Using Functional Paradigm of Spreadsheet Software". USA Patent No. 9286286.

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ExceLab: Transforming Excel into a Calculus Power House

ExceLab functions and methods are protected by USA Patents 10628634, 10114812, 9892108 and 9286286.

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