A data processing system includes a memory with instructions and data stored therein. A fuzzy spreadsheet is stored in memory and has a plurality of cells, preferably arranged in columns and rows. The processor, stored instructions and stored data comprise a controller that receives input data and stores...http://www.google.fr/patents/US5381517?utm_source=gb-gplus-shareBrevet US5381517 - Fuzzy spreadsheet data processing system
