Homework for Friday, Apr. 23.  (due by 5 PM on Friday in the physics office
(or Saturday).

<br>
From the book, Problems:
<br>
 2-21, 2-22, 2-24
<br>
<br>
<br>
<br>
<br>
Reading:
   For what we are doing next read about the free particle,
the delta function bound states and more about the harmonic oscillator
and the finite square well and free particle  (in Chap. 2).
<br>
<br>