Texas Instruments TI-89 Developer's Guide

814
Appendix A: System Routines — Math
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
push_r_cis
Declaration:
void
push_r_cis
(EStackIndex
r
, EStackIndex
t
)
Category(ies):
Math
Description:
Pushes internally-simplified
r
cos(
t
) +
i
r
sin(
t
) onto the estack, with
t
measured in radians.
Inputs:
r
,
t
— Indices of the top tags of internally-simplified real algebraic
expressions.
Outputs:
None
Assumptions:
None
Side Effects:
None
Availability:
On AMS 2.02 and higher.
TI
-
89 / TI
-
92 Plus
Differences:
None
See Also: push_phase, push_abs
Example:
/* Pushes the internal representation of sqrt(-1) onto the estack */
push_pi_on_quantum (2u);
t = top_estack; /* t -> pi/2 */
push1 ();
push_r_cis (top_estack, t);

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