Texas Instruments TI-89, TI-92 - page 37

20 Chapter 2: Operating the Calculator
02OPER.DOC TI
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89/TI
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92Plus: O
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eratingthe TI
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89/TI
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92Plus (English) SusanGullord Revised:02/23/01 1:06 PM Printed:02/23/01 2:11 PM Page20 of 44
Key Description
TI.89:
Í
TI.92 Plus:
2 Í
Enters the “with” operator, which is used in symbolic
calculations (Chapter 3).
2 <,
2 =
Performs integrations and derivatives (Chapter 3).
2 ’Designates an angle in polar, cylindrical, and spherical
coordinates.
2 IDisplays the MATH menu.
2 ¯Displays the MEMORY screen (Chapter 21).
2
°
Displays the VAR-LINK screen for managing variables
and Flash applications (Chapter 21).
2 £Recalls the contents of a variable (page 48).
TI.89:
2 9
TI.92 Plus:
¥ À
Displays the UNITS dialog box (Chapter 4).
2 ¿Displays the CHAR menu, which lets you select Greek
letters, international accented characters, etc.
(Chapter 18).
2 ±,
2 ²
Recalls the previous entry and the last answer,
respectively (page 49).
Important Keys
(continued)