The constants on the key D2
The physical constants need two keys: ALPHA, then 4. Put them on D 2. Press 
, 
, and 
, then 
and 
. Test it: press . The list of constants opens at once, with one key instead of two. closes the list.
The physical constants need two keys: ALPHA, then 4. Put them on D 2. Press , , and , then and . Test it: press . The list of constants opens at once, with one key instead of two. closes the list.