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# Numerical Limits (C++)
The two standard include files, LIMITS.H and FLOAT.H, define the numerical limits, or minimum and maximum values that a variable of a given type can hold. These minimums and maximums are guaranteed to be portable to any C++ compiler that uses the same data representation as ANSI C. The LIMITS.H include file defines the [numerical limits for integral types](../cpp/integer-limits.md), and FLOAT.H defines the [numerical limits for floating types](../cpp/floating-limits.md).  
  
## See Also  
 [Basic Concepts](../cpp/basic-concepts-cpp.md)