Sunday, June 23, 2013

CASIO 計算機Mon下方那三根撥桿的各項功能

今日隨手拿起一部 CASIO 計算機 (DS-3L), 見Mon 下方有三根不知用途的撥桿, 看了那只有不到30行字的說名書之後, 只好Google 一下.........


一) F. CUT. UP. 5/4

F 應該就是Free,也就是計算出的小數點並未受到控制,全部顯示
CUT 無條件捨去法
UP 無條件進位法
5/4 四捨五入法 接著

二) 4.3 .2 .1. ADD2 

ADD2 則是固定小數位為二位

類似美元有角有分的貨幣計算,如US$9.99 該如何做呢?

 例如: ÷3=0.6666666666666 

a) 如果是調在F,就是如上顯示
b) 如果調在CUT以及4的話 答案會是:0.6666
c) 如果調在CUT以及2的話 答案會是:0.66
d) 如果調在UP以及4的話 答案會是:0.6667
e) 如果調在5/4以及4的話 答案是:0.6667

 三) GT-OFF ON 

故名思義是用來開關 GT 功能.
GT是個合計 (Accumulation) 的功能

例如: 6×6+8*8

按 6 X 6 = GT 8 X 8 = GT
之後 再按 GT 即可得出答案 100

1 comment:

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