Basics
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 Type   Name   Summary
 
 Compiler Directive   $R   Determines whether Delphi checks array bounds
 Compiler Directive   $RangeChecks   Determines whether Delphi checks array bounds
 Compiler Directive   $ReferenceInfo   Determines whether symbol reference information is built
 Compiler Directive   $Resource   Defines a resource file to be included in the application linking
 Function   RadToDeg   Converts a radian value to degrees
 Keyword   Raise   Raise an exception
 Function   Random   Generate a random floating point or integer number
 Procedure   Randomize   Reposition the Random number generator next value
 Function   RandomRange   Generate a random integer number within a supplied range
 Variable   RandSeed   Reposition the Random number generator next value
 Procedure   Read   Read data from a binary or text file
 Procedure   ReadLn   Read a complete line of data from a text file
 Type   Real   A floating point type supporting about 15 digits of precision
 Type   Real48   The floating point type with the highest capacity and precision
 Procedure   ReallocMem   Reallocate an existing block of storage
 Function   RecodeDate   Change only the date part of a TDateTime variable
 Function   RecodeTime   Change only the time part of a TDateTime variable
 Keyword   Record   A structured data type - holding fields of data
 Function   Rect   Create a TRect value from 2 points or 4 coordinates
 Function   RemoveDir   Remove a directory
 Procedure   Rename   Rename a file
 Function   RenameFile   Rename a file or directory
 Keyword   Repeat   Repeat statements until a ternmination condition is met
 Procedure   ReplaceDate   Change only the date part of a TDateTime variable
 Procedure   ReplaceTime   Change only the time part of a TDateTime variable
 Procedure   Reset   Open a text file for reading, or binary file for read/write
 Variable   Result   A variable used to hold the return value from a function
 Procedure   ReWrite   Open a text or binary file for write access
 Procedure   RmDir   Remove a directory
 Function   Round   Rounds a floating point number to an integer
 Procedure   RunError   Terminates the program with an error dialog
 
 
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