home *** CD-ROM | disk | FTP | other *** search
- /* CMD: Calculate
- * Handy Calculator thing! */
- /* By Arnie Cachelin, Copyright © 1992, 1993 NewTek Inc. */
- /* Thu Feb 4 14:36:06 1993 */
-
- libadd = addlib("LWModelerARexx.port",0)
- Continue=1
- signal on error
- signal on syntax
-
- MATHLIB="rexxmathlib.library"
- IF POS(MATHLIB , SHOW('L')) = 0 THEN
- IF ~ADDLIB(MATHLIB , 0 , -30 , 0) THEN DO
- call notify(1,"!Can't find "MATHLIB)
- exit
- END
-
- call req_begin "Calculate"
- TxId = req_addcontrol("",'T',"Enter An Expression To Evaluate")
- EqId = req_addcontrol("",'S',40)
- call req_setval EqId,'12.2*sin(45)/6', '1+1'
- do while Continue
- x = req_post()
- if (x) then do
- RHS= req_getval(EqId)
- end
- else do
- call req_end()
- exit
- end
- interpret 'Val='RHS
- continue = notify(2, '!Calculated',RHS'='Val*1,'@Calculate Another?')
- end
- call req_end()
- exit
-
- syntax:
- error:
- t=Notify(1,'!Rexx Script Error','@'ErrorText(rc),'Line 'SIGL)
- if libadd then call remlib("LWModelerARexx.port")
- exit
-