a) Button-type battery
b) 244 Functions / Dot Matrix /
c) 2-Line Display / 10+2 Digits / Plastic Keys
d) Multi-replay function
e) 2-line display
f) Fraction calculations
g) Combination and Permutation
h) Statistics (STAT-data editor, Standard deviation, Regression analysis
i) 9 variable memories
j) Plastic keys
k) Comes with slide-on hard case