Help! – It’s Math(s) – More About Manual Cash Registers and Technology

This download is a section from a chapter in our Help! – It’s Math(s) Integer Arithmetic main text. We feel that the sub-topic of this chapter is sufficiently important. Therefore, we want it to be freely available to the public. It should not be kept behind the “paywall” of having to purchase our main text and companion text. There is no cost to download. The file format is Microsoft Office Word 2007.