printing calculator
A calculator that prints calculations on paper, often used in accounting or retail.
In accounting work, printing calculators are still used.
電卓 is a general electronic calculator, typically without a printer. 印字式計算器 specifically refers to a printing calculator.
display and printing calculator
Compound of 印字 (printing) + 式 (type) + 計算器 (calculator). A straightforward modern technical term.