Hewlett Packard HP-45 Electronic Calculator (1973-1976) Models on Display:Hewlett Packard 45 selling over 101 million units

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

released in late 1998 for $899

The Mego 2-XL Robot

celebrated for its ability to flawlessly track a full seven days of weather trends on a single chart

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

Hewlett Packard HP-45 Electronic Calculator (1973-1976) Models on Display:Hewlett Packard 45 selling over 101 million unitsHewlett 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