KeyChecker.IsFunctionKey(string)

Namespace: UtilityClassLibrary

Description: Checks if input key is function key.

Parameters	Description
input<string>	input to be examined

Returns	Description
bool	true when input represents a function key

Remarks:

Function keys represent the primary functions provided by calculators/converters. In the case of calculators, these keys are often the keys that provide arithmetic operations, such as operators, negate key, factorial, trigonometric function keys, etc.