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If we take a glimpse into the past we will see that Wang made the best calculators available in the seventies. 

There's no doubt that Wang manufactured mini-computers that were a cut above your standard accounting computer, with exciting features like a FORTRAN IV compiler. 

>Wang Laboratories was a computer company founded in 1951, by An Wang and G. Y. Chu. The company was successively headquartered in Cambridge, Massachusetts (1954–1963), Tewksbury, Massachusetts (1963–1976), and finally in Lowell, Massachusetts (1976–1997). At its peak in the 1980s, Wang Laboratories had annual revenues of $3 billion and employed over 33,000 people. It was one of the leading companies during the time of the Massachusetts Miracle.[1] 

Funny for such a big company to have pretty much been forgotten by the masses eh? Did you know anything about the Wang company before clicking on this article?

>From 1965 to about 1971, Wang was a well-regarded calculator company. Wang calculators cost in the mid-four-figures,[8] used Nixie tube readouts, performed transcendental functions, had varying degrees of programmability, and exploited magnetic core memory. The 200 and 300 calculator models were available as timeshared simultaneous (SE) packages that[9] had a central processing unit (the size of a small suitcase) connected by cables leading to four individual desktop display/keyboard units. Competition included HP, which introduced the HP 9100A in 1968, and old-line calculator companies such as Monroe and Marchant. 

It could be said that without groundbreaking technologies from Wang and HP in the 60s and 70s the personal computer revolution in the 80s may never have happened! 

If you need someone to thank for the technological greatness found in your smartphone. Thank Wang!

Source:

Wikipedia