| Size | Range | Precision |
|---|---|---|
| 4 bytes | ±1.18 x 10 to ±3.4 x 10 | 6-9 significant digits, typically 7 |
| 8 bytes | ±2.23 x 10 to ±1.80 x 10 | 15-18 significant digits, typically 16 |
| 80-bits (12 bytes) | ±3.65 x 10 to ±1.18 x 10 | 18-21 significant digits |
| 16 bytes | ±3.36 x 10 to ±1.18 x 10 | 33-36 significant digits |