printing calculator![click to hear](/images/speaker.jpg)
Office calculator with an integrated printer; it is used mainly in business and administration.
paper feed key ![click to hear](/images/speaker.jpg)
Key used to move the paper forward.
double zero key ![click to hear](/images/speaker.jpg)
Key that enters two zeros; it is used to speed up the entry of large numbers.
add/equals key ![click to hear](/images/speaker.jpg)
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 ![click to hear](/images/speaker.jpg)
Key used to print numbers other than calculations (codes, dates) or to obtain the results of an operations subset.
printer ![click to hear](/images/speaker.jpg)
Device that makes a hard copy of data transmitted by the calculator.
multiple use key ![click to hear](/images/speaker.jpg)
Key that facilitates certain financial calculations (margin, selling price, costs).
number of decimals ![click to hear](/images/speaker.jpg)
Device used to adjust the number of decimals making up the fraction of a number.