Basics
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 Type   Name   Summary
 
 Function Abs Gives the absolute value of a number (-ve sign is removed)
 Function Addr Gives the address of a variable, function or procedure
 Keyword And Boolean and or bitwise and of two arguments
 Function CompareValue Compare numeric values with a tolerance
 Function Copy Create a copy of part of a string or an array
 Function DaysBetween Gives the whole number of days between 2 dates
 Function DaySpan Gives the fractional number of days between 2 dates
 Procedure Dec Decrement an ordinal variable
 Keyword Div Performs integer division, discarding the remainder
 Procedure Exclude Exclude a value in a set variable
 Function Exp Gives the exponent of a number
 Procedure FillChar Fills out a section of storage with a fill character or byte value
 Function Frac The fractional part of a floating point number
 Function Hi Returns the hi-order byte of a (2 byte) Integer
 Function High Returns the highest value of a type or variable
 Keyword In Used to test if a value is a member of a set
 Procedure Inc Increment an ordinal variable
 Procedure Include Include a value in a set variable
 Function Int The integer part of a floating point number as a float
 Function IsInfinite Checks whether a floating point number is infinite
 Function IsNaN Checks to see if a floating point number holds a real number
 Function Length Return the number of elements in an array or string
 Function Lo Returns the low-order byte of a (2 byte) Integer
 Function Low Returns the lowest value of a type or variable
 Function Max Gives the maximum of two integer values
 Function Mean Gives the average for a set of numbers
 Function Min Gives the minimum of two integer values
 Keyword Mod Performs integer division, returning the remainder
 Procedure Move Copy bytes of data from a source to a destination
 Function Odd Tests whether an integer has an odd value
 Keyword Or Boolean or or bitwise or of two arguments
 Function Ord Provides the Ordinal value of an integer, character or enum
 Function PointsEqual Compares two TPoint values for equality
 Function Pred Decrement an ordinal variable
 Function PtInRect Tests to see if a point lies within a rectangle
 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
 Function Rect Create a TRect value from 2 points or 4 coordinates
 Function Round Rounds a floating point number to an integer
 Procedure SetLength Changes the size of a string, or the size(s) of an array
 Keyword Shl Shift an integer value left by a number of bits
 Keyword Shr Shift an integer value right by a number of bits
 Function SizeOf Gives the storage byte size of a type or variable
 Function Slice Creates a slice of an array as an Open Array parameter
 Function Sqr Gives the square of a number
 Function Sqrt Gives the square root of a number
 Function Succ Increment an ordinal variable
 Function Sum Return the sum of an array of floating point values
 Function Trunc The integer part of a floating point number
 Keyword Xor Boolean Xor or bitwise Xor of two arguments
 
 
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