Glossary

Words Used with Educational Robots

This glossary explains terms used throughout Roamer’s websites.  You can explore the dictionary or discover the terms highlighted in the text.  Put your mouse on the words and the definition will pop up. Make sure you’ve enabled popups on your computer.

  • Variable

    You will find the terms parameter, argument and variable often used in computing, mathematics and science. Their exact meaning depends on the context. Computer scientists use "parameter" to mean something you can add or alter within a command.

    http://using.roamer-educational-robot.com/files/2017/02/FD.png Number [1 to 100] We call Number [1 to 100] a parameter.
    http://using.roamer-educational-robot.com/files/2017/02/FD.png 6 We call the 6 an argument.

    We use the word variable as a general term. The Roamer Music command has two variables: the duration of the note and the pitch. Number to 8 is the duration parameter and Number 1 to 14 is the pitch parameter. In Music 4 11: 4 and 11 are arguments.