CASIOfx-4500P袖珍计算器
CASIO fx 4500P pocket calculator
电位计式计算器
potentiometer type calculator
袖珍计算机的代数逻辑
algebraic logic of pocket calculator
袖珍计算机的逻辑
logic of pocket calculator
袖珍计算机的算术逻辑
arithmetic logic of pocket calculator
非交互式计算器应用
noninteractive computer applications