Data type conversion

1. A string value can be assigned to a single-precision property
2. An integer value can be assigned to a string property
3. A single-precision value can be assigned to a double-precision property
4. A double-precision value can be assigned to a single-precision property
5. You can convert strings to single-precision numbers
6. You can convert single-precision numbers to strings
7. An integer string can be assigned to a double-precision property