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The modern name "caltrop" is derived from the Old English calcatrippe (heel-trap), [6] [7] such as in the French usage chausse-trape (shoe-trap). The Latin word tribulus originally referred to this and provides part of the modern scientific name of a plant commonly called the caltrop, Tribulus terrestris, whose spiked seed cases resemble caltrops and can injure feet and puncture bicycle tires.
The vertical exaggeration is given by: = where VS is the vertical scale and HS is the horizontal scale, both given as representative fractions.. For example, if 1 centimetre (0.39 in) vertically represents 200 metres (660 ft) and 1 centimetre (0.39 in) horizontally represents 4,000 metres (13,000 ft), the vertical exaggeration, 20×, is given by:
A use case diagram [1] is a graphical depiction of a user's possible interactions with a system. A use case diagram shows various use cases and different types of users the system has and will often be accompanied by other types of diagrams as well. The use cases are represented by either circles or ellipses. The actors are often shown as stick ...
In software and systems engineering, the phrase use case is a polyseme with two senses: . A usage scenario for a piece of software; often used in the plural to suggest situations where a piece of software may be useful.
Use case analysis is a technique used to identify the requirements of a system (normally associated with software/process design) and the information used to both define processes used and classes (which are a collection of actors and processes) which will be used both in the use case diagram and the overall use case in the development or redesign of a software system or program.
Use case points (UCP or UCPs) is a software estimation technique used to forecast the software size for software development projects. UCP is used when the Unified Modeling Language (UML) and Rational Unified Process (RUP) methodologies are being used for the software design and development.
The case method evolved from the casebook method, a mode of teaching based on Socratic principles pioneered at Harvard Law School by Christopher C. Langdell.Like the casebook method the case method calls upon students to take on the role of an actual person faced with a difficult problem.
A Bad Case of Stripes is a children's book written and illustrated by David Shannon published in 1998 by Blue Sky Press, a division of Scholastic Press. A Bad Case of Stripes highlights the theme of being true to oneself, and is commonly used by educators to teach young students important values. Amongst some negative responses, this children ...