Texas TI-86 用户手册

06TOOLS.DOC   TI-86, Chap 6, US English   Bob Fedorisko   Revised: 02/13/01 2:23 PM   Printed: 02/13/01 3:01 PM   Page 96 of 22

06TOOLS.DOC   TI-86, Chap 6, US English   Bob Fedorisko   Revised: 02/13/01 2:23 PM   Printed: 02/13/01 3:01 PM   Page 96 of 22

Finds the root of a function using a specified left bound, right bound, and guess

Finds a numeric derivative (slope) of a function at the trace cursor location

Finds a function’s numerical integral using a specified left bounds and right bound

Finds a function’s minimum using a specified left bound, right bound, and guess

Finds a function’s maximum using a specified left bound, right bound, and guess

Finds a function’s inflection point using a specified left bound, right bound, and guess

Finds a function’s y-intercept (

 at 

)

Finds the intersection of two functions using a specified left bound, right bound, and guess

Finds the straight-line distance between a specified left bound and right bound

Finds the distance along a function between two specified points on the function

Draws the tangent line at a specified point

♦ 

The tolerance variable 

 (Appendix) affects the accuracy of 

, 

, 

, and 

.

Accuracy increases as the tolerance value becomes smaller.

♦ 

The step-size variable 

 (Appendix) affects the accuracy of 

, 

 in 

differentiation mode (Chapter 1), 

, and 

. Accuracy increases as the step-size

value becomes smaller.

♦ 

The differentiation mode setting affects 

, 

, 

, and 

; 

 (exact)

mode is more accurate than 

 (numeric) mode (Chapter 1).

The 

GRAPH

 

MATH

 menu

differs slightly for 

 and

 graphing modes

(Chapters 8 and 9).

 graphing mode has no

GRAPH

 

MATH

 menu.