Texas Instruments TI-84 - Manual (Page 506)

Chapter 17: Activities 503
4. Press
r. Press |, }, ~, and † to compare the values of
Y1 and Y2 .
5. Press
o. Turn off
Y1 and Y2 , and then enter the numerical derivative of the integral
of 1 àX and the function 1àX. Set the graph style for
Y3 to
ç (line) and
Y4 to
è (thick).
6. Press
r. Again, use the cursor keys to compare the values of the two graphed
functions, Y3 and Y4 .