With the arrival of GPS, satellite remote sensing, and personal computers, the last two decades have witnessed rapid advances in the field of spatially-explicit marine ecological modeling. But with this innovation has come complexity. To keep up, ecologists must master multiple specialized software packages, such as ArcGIS for display and manipulation of geospatial data, R for statistical analy...

Spreadsheet software, notably Microsoft Excel©, can be used very effectively for analyzing logistics and supply chain issues. Spreadsheet allow analysis from many different perspectives and can be modified and enhanced to reflect new situations and options. Our purpose in this article is to demonstrate the efficiency of a problemsolving algorithm that uses Microsoft Excel add-in tools Premium S...

A delimitação adequada de uma bacia hidrográfica é fundamental para o melhor gerenciamento dos recursos hídricos e implementação da Política Nacional Recursos Hídricos. Com acelerado desenvolvimento software geoprocessamento, tornouse possível realizar esse processo por meio Sistemas Informações Geográficas, com a utilização modelos digitais. O objetivo desse trabalho foi utilizar ArcGis delimi...

Molecular biology laboratories frequently face the challenge of aligning small overlapping DNA sequences derived from a long DNA segment. Here, we present a short program that can be used to adapt Excel spreadsheets as a tool for aligning DNA sequences, regardless of their orientation. The program runs on any Windows or Macintosh operating system computer with Excel 97 or Excel 98. The program ...

One unique feature of the computer as a teaching and learning tool is visualization. This powerful visualization capacity of the computer is unprecedented and incomparable with all other traditional teaching aids. Now abstract concepts that have proved difficult for teachers to explain or for students to grasp using traditional teaching approaches or aids can now easily be produced and understo...