iPhone HP Calculators
(30 June 2009) - Math geeks will be excited to learn that Hewlett Packard recently released a series of calculator applications for the iPhone. Based on vintage designs, the applications serve as virtual replicas of the HP 12C and HP 12C platinum financial calculators (both above) and the HP 15C scientific calculator (below), while offering the same functions, algorithms and calculation sequences. The designers at HP clearly spent...
