Texas Instruments TI-89 Developer's Guide

Appendix A: System Routines — Math
801
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
push_mid
Declaration:
void
push_mid
(EStackIndex
i
, EStackIndex
j
, EStackIndex
k
)
Category(ies):
Math
Description:
Returns the middle portion of the input argument.
Inputs:
i
— EStackIndex of a list or a string.
j
— EStackIndex of a non-negative integer or whole number float
representing the starting position.
k
— EStackIndex of a non-negative integer or whole number float
representing the number of elements to push.
Outputs:
Pushes the middle
k
elements of
i
beginning with element
j
onto the estack.
Assumptions:
If
k
is NULL_INDEX, all elements of
i
beginning with element
j
are pushed.
Side Effects:
May cause estack expansion, heap compression, or throw errors if
arguments are invalid.
Availability:
On AMS 2.00 and higher.
TI-89 / TI-92 Plus
Differences:
None
See Also: push_left, push_right, push_rotate, push_shift
(continued)

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