Hewlett Packard HP-45 Electronic Calculator (1973-1976) Models on Display:Hewlett Packard 45 It ran a groundbreaking operating

It ran a groundbreaking operating system that introduced the world to features we use daily

selling over 101 million units and bringing video games into the mainstream family living room

was even the subject of an infamous Atari game that was released at Christmas 1982 (See Atari Game under Video Games)

released in late 1998 for $899

Hewlett Packard HP-45 Electronic Calculator (1973-1976) Models on Display:Hewlett Packard 45 It ran a groundbreaking operatingHewlett Packard 45 (HP 45) First Scientific Calculator with a "Shift" Key The Hewlett Packard HP 45, introduced in May 1973 for $395 (around $2,800 today), was the high performance successor to the legendary HP 35 and the worlds first scientific calculator to feature a "Shift" keythe iconic gold Prefix button. This simple innovation allowed HP to assign multiple functions to a single physical key, effectively doubling the machine's capabilities