home *** CD-ROM | disk | FTP | other *** search
- 5 ONERRORGOTO900
- 20 MODE8:DIM:r=0:c$=CHR$(5)
- 30 CLS:PRINT"4ãrþ/3 r:radius";
- 40 LOCATE0,1:PRINTc$;"r=";r;"?";:INPUT@42;r:LOCATE0,0:IFr<0 THEN40
- 50 LOCATE0,1:PRINTc$;"Volume =";4*PI*r^3/3;:z$=INPUT$(1,@):GOTO40
- 900 IFERR=1 THENCLS:ONERRORGOTO0
- 910 IFERL=40 THENRESUME40
- 930 LOCATE0,1:PRINTc$;"not found";:z$=INPUT$(1,@):RESUME30
-