Encyclopedia : R : RF : RFU (4 articles)

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R-function
A mathematical function is called an R-function if its sign can change if and only if the sign of one of its arguments change. Typically, the function itself as well as its arguments are real-valued. Interpreting positive values as true and negative values as false, an R-function is transformed into..
RF unit
An RF unit is a device that connects a videogame console to a television's cable connection. RF units usually have a place at the bottom where a cable television cord can be plugged into. ..

 

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From Wikipedia, the Free Encyclopedia. Article contents subject to the GNU Free Documentation License.

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