TI-83
Float
On a TI calculator you can use floating decimals
MODE ▼
or via the CATALOG as
CATALOG ⎵ 2nd 0 ►float ENTER
Explanation
Floating decimal mode displays up to 10 digits, plus the sign and the decimal.
Example 1
To change to floating decimals Float
CATALOG ⎵ 2nd 0 ►float ENTER float ENTER float Done