# Notation issue

1. Apr 7, 2007

### pivoxa15

In classical mechanics, the kinetic energy is denoted T. Why not K? In QM the kinetic energy operator is sometimes denoted by T as well although I have seen it denoted as K.

2. Apr 7, 2007

### arildno

Shrouded in mystery, forgotten lore irretrievable from the hoary, ancient past..

3. Apr 7, 2007

### christianjb

We can't tell you that information yet, but we can reveal that thousands have died protecting the secret.

4. Apr 7, 2007