c how to define a variable
int age; //int variableName; or int variableName = Value;
//Integers are whole numbers: 2, 23. They are NOT: 28.4, 8.07.
char first_initial; //char variableName; or char variableName = 'Character';
//Characters are single characters on the keyboard. Numbers can
//be characters but they are best not stored as such
char name[10]; //char stringName[size] or char stringName[size] = "String"
//Strings are defined as an array of characters that end
//w/a special character ‘\0’.
float salary; //float variableName; or float variableName = value;
//Floats are numbers that contain up to seven digits including decimals.
double micro; //double variableName; or double variableName = value;
//Doubles are more precise than floats and can hold more numbers.