programming basics

programming basics

1. data type

   • integer - whole number
   • real or float - numbers that have a decimal place
   • boolean - can only take one of two values, usually TRUE or FALSE
   • Character - A single letter, number or symbol
   • String - a collection of characters (like a sentence)

2. operators

   • addition- +
   • subtraction - -
   • Multiplication - *
   • division - /
   • exponentiation - ** - 2**3(=2³)
   • comparison operators
     • == - is equal to
     • <> or != - not equal to
     • < -is less than
     • > - is greater than
     • <= - is less than or equal to
     • >= - is greater than or wqual to

3. constants and variables