Inventions of the 1960s
The Hand held calculator
The hand held calculator was invented in 1967, its a good device for people who hate doing math in their heads or just lazy to show work. Nowadays you can find calculators in you cellphone.
They were invented by Netherlands on march 5 , 1962 .The Phillips co. used high Quality polyester produced by a German chemical company BASF.
it was invented in 1963 by a guy named Douglas Engelbart. The first computer mouse was carved out of wood and had two wheels mounted on the bottom unlike the ones we use today.