CSharp examples for Language Basics:double
double is useful for scientific computations.
decimal is useful for financial computations.
Here's a summary of the differences:
| Category | double | decimal |
|---|---|---|
| Internal representation | Base 2 | Base 10 |
| Decimal precision | 15-16 significant figures | 28-29 significant figures |
| Range | +/-(~10-324 to ~10308) | +/-(~10-28 to ~1028) |
| Special values | +0, -0, +Infinity, -Infinity, and NaN | None |
| Speed | Native to processor | Non-native to processor (about 10 times slower than double) |