printing calculator

Office calculator with an integrated printer; it is used mainly in business and administration.

paper feed key

Key used to move the paper forward.

double zero key

Key that enters two zeros; it is used to speed up the entry of large numbers.

add/equals key

Key used to display the results of operations carried out; on some calculators, it can also be used to do repeated calculations.

non-add/subtotal

Key used to print numbers other than calculations (codes, dates) or to obtain the results of an operations subset.

printer

Device that makes a hard copy of data transmitted by the calculator.

multiple use key

Key that facilitates certain financial calculations (margin, selling price, costs).

number of decimals

Device used to adjust the number of decimals making up the fraction of a number.