[問卦] 手機計算15.52-15.49=? >> PTT Reader

[問卦] 手機計算15.52-15.49=?

 作者  tottier (透抽)                                         看板  Gossiping 
 標題  [問卦] 手機計算15.52-15.49=?                                           
 時間  Wed Mar 23 03:39:34 2011                                               

我DESIRE HD 算出來0.02999999999

是正常嗎?

我不懂那些懂電腦的說2進位什麼鬼的BLABLA 然後說這樣正常

我不懂阿阿阿

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◆ From: 218.172.218.184
→ tknetlll:蛤?                                                    03/23 03:40
推 YukiPhoenix:Nokia 5530  答案0.03                                03/23 03:41
推 ricky110777:你的手機壞掉囉  因為我的是0.0299999999              03/23 03:41
→ kyos22:誰能解釋一下..是我腦袋昏了 還是眼睛看錯了...             03/23 03:42
推 kenzo1212:Samsung E1080 0.299999999999999999999999999999999999  03/23 03:43
→ kyos22:matlab 計算 答案為0.03                                   03/23 03:43
推 kudo0930:HTC才這樣吧                                            03/23 03:43
推 pet8969:NOKIA N70 0.03                                          03/23 03:43
推 johnson911:Samsung E1080 跟 DESIRE HD 不能買                    03/23 03:44
噓 ast2:我用DESIRE算0.029999999999                                 03/23 03:44
推 ccc73123:iPhone 0.03                                            03/23 03:44
→ omit18:不正常啊 desire HD 0.029999   iPhone4 0.03               03/23 03:45
→ sugizo0:原PO是把0.02999999999看成2.999999999嗎?!              03/23 03:45
→ omit18:你的壞了  500收                                          03/23 03:45
不好意思打錯了..........
※ 編輯: tottier         來自: 218.172.218.184      (03/23 03:45)
→ pet8969:http://ppt.cc/NkhS   這裡有解                           03/23 03:45
→ sugizo0:連結有人解釋 還真神奇吶 ( ̄   ̄;)                      03/23 03:47
推 Pash77:不神奇! 程式沒寫好                                       03/23 03:47
推 mydreamcome:Nokia 3120  我的答案是:0.03                         03/23 03:48
推 atypia:bb9700 答案為 0.03                                       03/23 03:53
→ YukiPhoenix:果然跟我猜的一樣XD  float跟bouble的差別             03/23 03:55
推 pisceslove:嗯  我也是這麼想                                     03/23 03:57
推 affen:哀鳳表示:0.03                                             03/23 03:57
→ KeyFSN:嗯  我也是這麼想  就是這樣阿!                            03/23 03:58
推 ptyan:double吧                                                  03/23 04:00
→ mxnz:果然跟我想的一樣                                           03/23 04:00
推 sevenny:0.299999999(無限循環) 其實就是0.3啦                     03/23 04:01
推 kidhsu:K800i 0.03                                               03/23 04:05
噓 victoryss:埃鳳 0.03                                             03/23 04:05
推 NormalX:MOTO 0.029999999999999999999999                         03/23 04:14
噓 shishishi1:雜貨店黏五十塊錢的計算機:0.03                        03/23 04:17
→ keepoo:3310 拒絕運算過於簡單功能                                03/23 04:25
推 jeffl0402:WindowsXP小算盤 0.03                                  03/23 04:25
推 mydreamcome:3310是拿來做數值模擬的■D\( ̄︶ ̄)>                 03/23 04:28
→ lancelot0079:i9000 0.03                                         03/23 04:31
推 b7510623:sticky bit沒清掉所以會有2.99....                       03/23 04:33
推 chien533:SAS 0.03                                               03/23 04:34
→ b7510623:我錯了...是倍精度浮點數轉換的關係                      03/23 04:35
推 exias:sony x8  0.029999999999999                                03/23 04:37
推 srmember:SE X10 計算結果也是0.02999999999999                    03/23 04:45
推 ccbbaa:moto v360 0.03                                           03/23 04:46
→ agong:Nokia 8250 0.03                                           03/23 04:50
→ chungweitw:算盤 : 0.03                                          03/23 04:53
推 miisoo4u:CASIO FX-4000P 0.03                                    03/23 04:55
推 Xaymaca:心算: 0.13                                              03/23 04:56
推 industrialld:casio fx-991es:3/100                               03/23 05:05
噓 CloudJB:這在某方面來說是正常的 在某方面來說是BUG 沒什麼好爭的   03/23 05:08
推 lucard1129:推 Xaymaca:心算: 0.13                                03/23 05:15
推 roea68roea68:iphone 0.03                                        03/23 05:24
推 Doracacazin:推 Xaymaca:心算: 0.13                               03/23 06:12
推 MisaTanaca:Moto ZN5 0.03                                        03/23 06:12
推 hitlerx:推 Xaymaca:心算: 0.13                                   03/23 06:32
推 DELETE001:一看就知道是0.42                                      03/23 06:40
→ DELETE001:            0.03                                      03/23 06:41
推 starsea12:樓上很好                                              03/23 06:56
→ GuoJia:Nokia 3120 classic 0.03                                  03/23 07:05
推 htio:  htio v1.0 0.03                                           03/23 07:26
推 hohotest:T2D 再現                                               03/23 07:37
推 Xenogamer:怎麼沒有神機3310的答案                                03/23 07:45
推 kizajan:3310拒絕這種小朋友的算數( ′-`)y-~                     03/23 07:53
推 uk109:se j700  =       10.196352        是怎樣?                03/23 08:10
推 BETNPP:很正常 因為浮點數本來就不精準無法表示所有的數字          03/23 08:30
推 BETNPP:簡單概念是 有限的空間 32bits無法描述無限的有理數         03/23 08:50
推 XYH:我想知道3310的答案+1                                        03/23 08:51
推 lainhoter:T2D 0.13  或許不是唯一解!!!                           03/23 08:53
→ qilar:DESIRE Z =0.03                                            03/23 08:55
推 milkcake:Ipad = error ,  Iphone = 0.13                         03/23 09:13
推 pailoun:我的casio fx-99IMS  算出是0.03無誤~!                    03/23 09:22
推 hasegawa:你的手機壞了 10元跟你回收                              03/23 09:26
推 JCC:Diamnond2 0.03                                              03/23 09:35
推 F05:    Xaymaca 15.52-15.49 = 0.13 (心算)   似乎不是唯一解?     03/23 09:36
推 timke:Nokia 5230 = 0.03     3310我朋友帶去台北了 借不到         03/23 09:54
推 green76860:DESIRE Z =0.29999999                                 03/23 10:07
→ green76860:DESIRE Z =0.029999999                                03/23 10:07
推 mattel:我的HTC TOUCH2 答案0.03                                  03/23 10:27
推 annie800601:一樣TOUCH2    0.03                                  03/23 10:35
推 vespar:原PO的"我不懂阿阿阿"很好笑XD                             03/23 11:04
推 chu630:推 Xaymaca:心算: 0.13                                    03/23 11:09
推 donnolove:double                                                03/23 11:14
推 iamrobert:X6 = 0.03                                             03/23 11:17
推 Maite:blackberry : 0.03                                         03/23 11:20
推 sausage725:se的x10 0.0299999   XD                               03/23 11:27
推 williebom:NOKIA N97 mini 0.03                                   03/23 11:28
推 momoko51244:sony w508 = 0.03                                    03/23 11:36
推 wisehuang:應該要用BigDecimal之類的                              03/23 11:41
推 farmada:Diamond 0.03呀                                          03/23 11:57
推 aspired:DHD 0.029999999                                         03/23 12:24
推 TD11:我鑽石2也是0.03阿                                          03/23 12:37
推 MysterySW:NOKIA N95  0.03                                       03/23 12:49
推 accuhc:aria +1....                                              03/23 13:18

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