Radio Shack EC-293 Owner'S Manual Download Page 9 | Manualshive

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Radio Shack EC-293 Owner'S Manual Download Page 9

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65-423.fm Page 9 Wednesday, June 16, 1999 9:11 AM

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Summary of Contents for EC-293

Page 1: ...DW 1R 2 1 5 6 0 18 3OHDVH UHDG EHIRUH XVLQJ WKLV HTXLSPHQW LQH 3RFNHW DOFXODWRU...

Page 2: ...HO SURYLGHV SRZHU ZKHQ RX H SRVH WKH FDOFXODWRU WR OLJKW KHQ WKH VXUURXQGLQJ OLJKW LV QRW EULJKW HQRXJK WKH VXSSOLHG LQWHUQDO EDW WHU SURYLGHV WKH SRZHU 7KH FDOFXODWRU V IHDWXUHV LQFOXGH 7ZR LQH LVSOD...

Page 3: ...QV 6 7 H OHWV RX YLHZ DQG WR WDO D PHPRU YDOXH ZLWK D QHZ HQ WU RQ WKH VDPH GLVSOD XWRPDWLF 3RZHU 2II FRQ VHUYHV EDWWHU SRZHU E WXUQLQJ RII WKH FDOFXODWRU LI RX GR QRW SUHVV D NH IRU DERXW PLQXWHV XWR...

Page 4: ...WLPDWLQJ DOFXODWLRQ 5HVXOWV 8VLQJ WKH H DOFXODWLRQ DPSOHV 0L HG DOFXODWLRQV 3HUFHQWDJH GG 2Q DQG LV FRXQW DOFXODWLRQV RQVWDQW DOFXODWLRQV 5HFLSURFDO DOFXODWLRQ SRQHQWLDO DOFXODWLRQ 0HPRU DOFXODWLRQV 8...

Page 5: ...48 22 7 7 6 7 SUHVV WR YLHZ VHFRQG OLQH 0HPRU H V 21 SUHVV WR WXUQ RQ FDOFXODWRU DQG FOHDU HQWULHV FOHDUV DOO FDOFXODWLRQV...

Page 6: ...O WXUQV RII RXU OHWV RX FDOFXODWH QRUPDO DQG PHPRU YDOXHV VHSD UDWHO DQG WRWDO WKHP WRJHWKHU KHQ RX VWRUH RU FDOFXODWH D YDO XH LQ PHPRU WKH PHPRU YDOXH GLVSOD V RQ WKH XSSHU OLQH RX FDQ VHH WKH WRWDO...

Page 7: ...UHFW YDOXH DQG FRQWLQXH RXU FDOFXODWLRQ 7R FOHDU WKH GLVSOD IRU D QHZ FDO FXODWLRQ SUHVV VR DSSHDUV WKHQ EHJLQ WKH QHZ FDOFXODWLRQ 1RWH 3UHVVLQJ DOVR FOHDUV DQ FDOFXODWLRQV VWRUHG LQ PHPRU I RX HQWHU...

Page 8: ...WR WKH OHIW RI WKH GHFLPDO SRLQW 7KLV LV DQ RYHU IORZ HUURU VHH VWLPDWLQJ DOFXODWLRQ 5HVXOWV RQ 3DJH PHPRU FDOFXODWLRQ UHVXOW H FHHGV HLJKW GLJLWV WR WKH OHIW RI WKH GHFLPDO SRLQW 0HPRU FRQWHQWV UHPDL...

Page 9: ...HUURU RX FDQ HVWLPDWH WKH FRUUHFW UHVXOW WR HLJKW VLJQLILFDQW GLJLWV E IROORZLQJ WKHVH VWHSV RXQW WKH QXPEHU RI GLJLWV GLV SOD HG WR WKH OHIW RI WKH GHFL PDO SRLQW 5HPRYH WKH GHFLPDO SRLQW GG DV PDQ H...

Page 10: ...RU H DPSOH LI DSSHDUV WKH DSSUR LPDWH DQVZHU LV I DSSHDUV WKH DSSUR LPDWH DQVZHU LV 86 1 7 3UHVV WR FKDQJH WKH GLVSOD HG YDOXH IURP SRVLWLYH WR QHJDWLYH RU IURP QHJDWLYH WR SRVLWLYH...

Page 11: ...8 7 21 03 6 0L HG DOFXODWLRQV RX 3UHVV RX 6HH 24 60 15 135...

Page 12: ...3HUFHQWDJH GG 2Q DQG LVFRXQW DOFXODWLRQV DOFXODWLRQ RI DOFXODWLRQ DGGHG WR DOFXODWLRQ UHGXFWLRQ RI RX 3UHVV RX 6HH 144 RX 3UHVV RX 6HH 702 RX 3UHVV RX 6HH 640...

Page 13: ...RQVWDQW DOFXODWLRQV RU PXOWLSOLFDWLRQ WKH ILUVW YDOXH RX HQWHU LV WKH FRQVWDQW RU DGGL WLRQ VXEWUDFWLRQ DQG GLYLVLRQ WKH VHFRQG YDOXH RX HQWHU LV WKH FRQ VWDQW RX 3UHVV RX 6HH 35 45 50 20 40 60...

Page 14: ...5HFLSURFDO DOFXODWLRQ 7R ILQG WKH UHFLSURFDO RI D QXPEHU VLPSO HQWHU WKH QXPEHU WKHQ SUHVV IROORZHG E DOFXODWLRQ SRQHQWLDO DOFXODWLRQ DOFXODWLRQ RX 3UHVV RX 6HH 0 125 RX 3UHVV RX 6HH 117 649...

Page 15: ...DU DOO FDOFXODWLRQV 7R DGG D YDOXH WR PHPRU HQWHU WKH QXPEHU RU FDOFXODWLRQ RX ZDQW WR DGG WKHQ SUHVV 0 7KH FDOFXOD WRU WRWDOV WKH FXUUHQW PHPRU FDO FXODWLRQ LI RQH LV SHQGLQJ DQG DGGV WKDW YDOXH WR P...

Page 16: ...P PHPRU HQWHU WKH QXPEHU RU FDOFXODWLRQ RX ZDQW WR VXEWUDFW 7KHQ SUHVV 0 7KH FDOFXODWRU WRWDOV WKH FXUUHQW PHPRU FDOFXODWLRQ LI RQH LV SHQGLQJ DQG VXEWUDFWV WKDW YDOXH IURP PHPRU 7R UHFDOO WKH YDOXH I...

Page 17: ...7R FOHDU WKH FRQWHQWV LQ PHPRU SUHVV 05 WZLFH VR 0 GLVDSSHDUV DPSOH RX 3UHVV RX 6HH 05 05 0 0 786 0 432 2 392 2 968 0 786 0 354 0 354 0 354...

Page 18: ...05 354 8 3841807 64 61582 RX 3UHVV RX 6HH 0 354 0 354 0 354...

Page 19: ...7R WRWDO ERWK PHPRU DQG QRUPDO YDOXHV DQG VHH WKHP GLVSOD HG DW WKH VDPH WLPH SUHVV WKH IXQFWLRQ NH RU SUHVV 6 7 WR VKLIW WKH PHPRU YDOXH IURP WKH XSSHU OLQH WR WKH ORZHU OLQH WKHQ SUHVV WR JHW WKH WR...

Page 20: ...DPSOH RX 3UHVV RX 6HH 0 6 0 8 6 7 14 17 6 7 31 0 14 0 14 0 14 0 14 0 6...

Page 21: ...gently and carefully Don t drop it Use and store the calculator only in normal temperature environments Keep the calculator away from dust and dirt Wipe the calculator with a damp cloth occasionally t...

Page 22: ...ng as it should take it to your local RadioShack store for assistance 5 6 77 1 7 8 725 I RXU FDOFXODWRU VWRSV ZRUNLQJ SURSHUO XVH D VWUDLJKWHQHG SDSHU FOLS WR SUHVV 5 6 7 RQ WKH EDFN RI WKH FDOFXODWRU...

Page 23: ...SOLHG EDFNXS EDWWHU ZLOO HYHQWXDOO EHFRPH ZHDN DQG QHHG UHSODFLQJ I WKH GLVSOD VSHHG VORZV GRZQ LQ D GLPO OLW URRP UHSODFH WKH EDWWHU ZLWK D W SH EXWWRQ FHOO EDW WHU DYDLODEOH DW RXU ORFDO 5D GLR6KDFN...

Page 24: ...ROORZ WKHVH VWHSV WR UHSODFH WKH EDWWHU 8VLQJ D 3KLOOLSV VFUHZGULYHU UHPRYH WKH VFUHZV RQ WKH EDFN RI WKH FDOFXODWRU...

Page 25: ...QVHUW D IODW EODGH VFUHZGULYHU EHWZHHQ WKH FDVH KDOYHV DW DOO ORFDWLRQV LQGLFDWHG E WKH DUURZV WZLVWLQJ WKH VFUHZ GULYHU VOLJKWO DW HDFK ORFDWLRQ WR VHSDUDWH WKH FDVH...

Page 26: ...8VH D VFUHZGULYHU WR JHQWO SU RXW WKH ROG EDWWHU 3RVLWLRQ WKH QHZ EDWWHU VR WKH SRVLWLYH VLGH LV XS WKHQ LQVHUW LW LQWR WKH EDWWHU FRP SDUWPHQW...

Page 27: ...EDFN FDVH KDOYHV EDFN WRJHWKHU WKHQ UHSODFH WKH VFUHZV DUQLQJV LVSRVH RI WKH ROG EDWWHU SURPSWO DQG SURSHUO R QRW EXU RU EXUQ LW HHS EXWWRQ FHOO EDWWHULHV DZD IURP FKLOGUHQ 6ZDOORZ LQJ D EXWWRQ FHOO...

Page 28: ...PLQDWLRQ 8 DWWHU 2QH XWWRQ HOO DWWHU LIH 2Q 0RQWKV 2II 0RQWKV 2SHUDWLQJ 7HPSHUDWXUH WR WR LPHQVLRQV LQ PP HLJKW QFOXGLQJ DWWHU R J 6SHFLILFDWLRQV DUH W SLFDO LQGLYLGX DO XQLWV PLJKW YDU 6SHFLILFDWLRQV...

Page 29: ...127 6...

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Page 31: ...HQWLDO GDPDJHV VR WKH DERYH OLPLWDWLRQV RU H FOXVLRQV PD QRW DSSO WR RX Q WKH HYHQW RI D SURGXFW GHIHFW GXULQJ WKH ZDUUDQW SHULRG WDNH WKH SURGXFW DQG WKH 5DGLR6KDFN VDOHV UHFHLSW DV SURRI RI SXU FKDV...

Page 32: ...VXFK DV IXVHV RU EDWWHULHV G FRVPHWLF GDPDJH H WUDQVSRUWDWLRQ VKLSSLQJ RU LQVXUDQFH FRVWV RU I FRVWV RI SURGXFW UHPRYDO LQ VWDOODWLRQ VHW XS VHUYLFH DGMXVWPHQW RU UHLQVWDOODWLRQ 7KLV ZDUUDQW JLYHV RX...

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