── DSCALELEFT ── ( ──<arithmetic expression>── , ──────────────────────►
►─<arithmetic expression>── ) ─────────────────────────────────────────┤

The DSCALELEFT function returns the following as a double-precision value. The two arithmetic expressions are rounded to an integer and the second rounded arithmetic expression has a value in the range 0 through 12.

first <arithmetic expression>*(10 ** second <arithmetic expression>)

The DSCALELEFT function is undefined when the integerized value of the second arithmetic expression is less than 0 or greater than 12.