| Math.SQRT1_2 Property | Flash 5; can be used when exporting Flash 4 movies |
| the reciprocal of the square root of 2, approximately 0.70711 | | Description The SQRT1_2 property is a constant approximating the value 1/Math.SQRT2 (the reciprocal of the square root of 2), equaling approximately 0.70711. See Also Math.SQRT2 |