In flutter there is a inbuilt function named as double sqrt(num x) which is used to find square root of any double number. The number returns value in Double Float format so we have to also use double value here. The double sqrt(num x) method will automatically calculate square. This…
As we all know Double data type is like parent of Float data type. In current programming arena most of developers use Double data type as place of Float data type. Dart gives us a inbuilt function named as double.parse(String) which is used to convert String numbered value to Double…
In dart there is a inbuilt function named as _isNumeric() which is Boolean type return value function. Using the _isNumeric(String) function we can easily check whether the entered value in TextField widget is numeric or not. The _isNumeric() function would return true if the value is numbered and return false…
In Dart there are two inbuilt functions available to convert any type of string text to lower case and upper case using String.toLowerCase() and String.toUpperCase() function. These functions would directly apply on String and convert them to upper case and Lower case. In this tutorial we would create 2 functions…
