Texas Instruments TI-84 Plus Silver Edition

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Finding a Numeric Derivative
Finding a Numeric DerivativeFinding a Numeric Derivative
Finding a Numeric Derivative at x = A
at x = A at x = A
at x = A
First, enter the function in Y= as Y1 . Then return to the main screen. Press MATH, 8, VARS,
Y-VARS, FUNCTION, Y1, (comma), X, A. Close parentheses and press ENTER .
Example: Find
'(2)
f if
2
( ) 3 7 4
f x x x
= − +
Enter function MATH 8
VARS Y-VARS FUNCTION
,
ENTER Enter , X,2) ENTER
Note: If the function is stored in a different line than Y1, cursor down to the appropriate
function line and press ENTER .