[問題] fx-991ES
按ON,開機後,為什麼我屏幕左上角沒有出現M????我同學的都有顯示耶! 另外解一元方程式時,我的解答跟同學的不一樣,這是怎麼回事???說明書上也寫的很簡短QQ有沒有高手可以幫忙??????我該怎麼讓M顯示???????
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11/23 11:47, , 1F
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11/23 11:48, , 2F
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11/23 13:00, , 3F
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11/23 14:02, , 5F
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11/23 14:48, , 6F
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11/23 21:52, , 11F
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11/24 06:00, , 12F
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09/12 07:53, , 13F
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