世界初のトランジスタ電卓、CS-10Aから1年後に発売されたトランジスタ電卓 CS-20Aです。
大きさはCS-10Aとほぼ同じなのですが、重量は16kg、価格は37万9000円と軽量化と低価格化が進み、テンキー入力や自動小数位取りなど操作性が格段に向上しました。
#Computer #Calculator #SHARP #電卓
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