# PIM standard libraries

The following libraries defined in PIM are provided:

InOut | general-purpose IO operations
LongInOut | LONGREAL numbers IO operations
MathLib0 | mathematical functions
RealInOut | REAL numbers IO operations
Terminal | computer's terminal IO operations

The library LongInOut (similar to RealInOut) is not described in PIM. All PIM libraries are implemented on a basis of the ISO library. Since PIM Storage library is not compatible with the corresponding ISO library, it is omitted.