Texas Instruments TI-89 Developer's Guide

Appendix A: System Routines — Statistics
953
TI
-
89 / TI
-
92 Plus Developer Guide
Not for Distribution
Beta Version January 26, 2001
QstatRcl
Declaration:
BOOL
QstatRcl
(void)
Category(ies):
Statistics, Variables
Description:
Return TRUE if
VarRecall
can be used to read the stat variables,
otherwise return FALSE.
Inputs:
None
Outputs:
TRUE — Stat variables are valid.
FALSE — Cannot read stat variables.
Assumptions:
None
Side Effects:
None
Availability:
On AMS 2.00 and higher.
TI
-
89 / TI
-
92 Plus
Differences:
None
See Also: VarRecall, statStart
Example:
The TI
-
BASIC ShowStat command first checks to make sure there are any
stat variables to display. If not, it gives an error and returns as shown in the
example below.
if (!QstatRcl()) {
DlgNotice(XR_stringPtr(XR_SHOWSTAT),XR_stringPtr(XR_rNostatvar));
return;
}

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