algebraic logic of pocket calculator
calculator with adding up function
calculator with arithmetic logic
calculator with external program input
calculator with keyboard and external program input
calculator with keyboard program input
calculator with keyboard-controlled addressable storage
calculator with postfix notation logic
calculator with program-controlled addressable storage
calculator with program-controlled and keyboard-controlled addressable storage
calculator with programmability
calculator with reverse Polish notation logic
calculator with reverse-polish notation logic
calculator with specified data storage capacity
calculator with specified entry capacity
calculator with specified numerical data processing capacity
calculator with specified output capacity
calculator with suffix notation logic
开口踏盘
具尾部记法逻辑之计算器
具尾置记法逻辑计算器
algebraic calculator language