I. Function Keys

A. 2nd, Cursors, MORE
B. ALPHA and alpha
C. Exponential and Log Keys
D. INS and DEL (insert and delete)
E. Notation keys
F. QUIT
G. STO (storing)
H. Trigonometric Keys
I. Variable Key
J. SOLVER
K. SIMULT
L. POLY
M. ANS
N. ENTRY