Major and minor scales

                    Major scales with flats and sharps

Major:
whole - whole - half - whole - whole - whole - half

In major scales, half steps appear after the 3^rd and 7^th notes.

  
                   Minor scales with flats and sharps
Minor:
whole - half - whole - whole - half - whole - whole
In minor scales, half steps follow the 2^nd and 5^th notes.