e = EXP(1)
      Pi = PI
      Sqr2 = SQR(2)
      Ln2 = LN(2)
      Log2 = LOG(2) : REM Base 10
      Exp2 = EXP(2)
      Abs2 = ABS(-2)
      Floor = INT(1.234)
      Ceil = FNceil(1.234)
      Power = 1.23^4
      END

      DEF FNceil(n) = INT(n) - (INT(n) <> n)