Calculator User Manual
Constants and Measurement Units  292
Notes: 
• User-defined units are displayed in lowercase characters, regardless of the case you 
use to define them.
• User-defined units such as _dm are stored as variables. You can delete them the 
same as you would any variable.
For example, to define a dekameter unit:
10_m !_dm
To define an acceleration unit:
_m/_s^2 !_ms2
To calculate 195 blinks in 5 minutes as 
_blinks/_min:
195_blinks/(5_min)
definition !_newUnit
For !, press 9
Assuming unit 
defaults for Length 
and Time are set to 
_m and _s.
Assuming unit 
default for Time is 
set to _s.










