\\ one line, hard to read
For i=1 to 100 {If i mod 3=0 Then {if i mod 5=0 Then Print "FizzBuzz",  Else Print "Fizz",} Else {if i mod 5=0 Then Print "Buzz", else print i, } } : Print

\\ Better code
For i=1 to 100 {
      Push str$(i,0)+". "+if$(i mod 3=0->"Fizz","")+if$(i mod 5=0->"Buzz","")
      If stackitem$()="" then Drop : Continue
      Print Letter$
}

\\ Far Better Code
For i=1 to 100 {
      Printme(if$(i mod 3=0->"Fizz","")+if$(i mod 5=0->"Buzz",""))
}
Print
Sub Printme(a$)
      If a$<>"" Then Print a$, else Print i,
End Sub