Texas Instruments TI-89 Developer's Guide

Appendix A: System Routines — Expression Evaluation /
Algebraic Simplification
551
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
push_simplify
Declaration:
void
push_simplify
(EStackIndex
k
)
Category(ies):
Expression Evaluation / Algebraic Simplification
Description:
Pushes onto the estack in external Polish form a simplified version of the
expression indexed by
k
.
Inputs:
k
— Indexes an expression that can be in either external Polish form or
internally-simplified Polish form.
Outputs:
None
Assumptions:
None
Side Effects:
None
Availability:
On AMS 2.00 and higher.
TI
-
89 / TI
-
92 Plus
Differences:
None
See Also: push_internal_simplify, replace_top_with_post_simplified
Example:
push_Float (3.7);
push_Float (2.3);
/* Note: SUBTRACT_TAG does not occur in internally-simplified expressions */
push_quantum (SUBTRACT_TAG);
push_simplify (top_estack); /* Pushes tagged float 1.4 onto the estack. */

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