It had two memories labeled K and M. M powered up set to zero and K powered up set to 12 which is a useful constant in many business calculations. Storage was done by pressing STO K and STO M and to recall, M or K was pressed alone. The HP-70 had a very short life. The HP-22 introduced a year later did more for less money. What some people remember most about this model was its color scheme.
Few professions demand so much of their members as does business.
Human beings must act as mere cogs in the machinery, must be compatible components, must not deviate from a rigid procedure at the machine's level. A business can't survive long if its principals indulge of much of this mind-deadening activity.