Texas Instruments TI-89 Developer's Guide

Reference List – System Routines
1337
TI
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89 / TI
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92 Plus Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
is_nan ...........................................................................416. See Direct Floating Point Operations
is_neg_lead_numr_coef_re_part ............................................................253. See Algebra Utilities
is_negative..............................................................................................................729. See Logic
is_never0 ................................................................................................................730. See Logic
is_nonnegative........................................................................................................731. See Logic
is_nonpositive .........................................................................................................732. See Logic
is_polynomial_in_var_or_kern ................................................................255. See Algebra Utilities
is_pos_int_and_eq_quantum.............................................................. 481. See EStack Arithmetic
is_positive ...............................................................................................................733. See Logic
is_real .....................................................................................................................734. See Logic
is_reciprocal_of_quantum................................................................... 482. See EStack Arithmetic
is_square_matrix.................................................................................675. See Lists and Matrices
is_tail_independent_of............................................................................256. See Algebra Utilities
is_term_improper....................................................................................257. See Algebra Utilities
is_totally_polynomial...............................................................................258. See Algebra Utilities
is_undefined............................................................................................................735. See Logic
is_variable................................................................................. 1121. See Variable Name Utilities
is_whole_number................................................................................ 483. See EStack Arithmetic
is0 ....................................................................................................... 484. See EStack Arithmetic
is1 ....................................................................................................... 485. See EStack Arithmetic
K
KB_89 ................................................................................................................1105. See Utilities
kbhit ................................................................................................................. 641. See Keyboard
KeyYesOrNo.................................................................................................... 642. See Keyboard
L
labs ....................................................................................................................1106. See Utilities
last_element_index.............................................................................676. See Lists and Matrices
ldiv......................................................................................................................1107. See Utilities
lead_base_index.....................................................................................259. See Algebra Utilities
lead_conjunct_factor_index ....................................................................................736. See Logic
lead_disjunct_term_index .......................................................................................737. See Logic
lead_factor_index....................................................................................260. See Algebra Utilities
lead_term_index .....................................................................................262. See Algebra Utilities
linear_degree..........................................................................................264. See Algebra Utilities
LIO_RecvData ..........................................................................................................658. See Link
LIO_SendData ..........................................................................................................659. See Link

Texas Instruments TI-89 Specifications

General

Display size (HxV)	100 x 160 mm
Memory type	639K FLASH ROM, 188K bytes RAM
Compatible operating systems	Operating System 2.09
Battery type	AAA