Until 1950 this field was called "radio technology" because its principal application was the design and theory of radio transmitters, receivers and vacuum tubes.Today, most electronic devices use semiconductor components to perform electron control.. 
Ó gbajúmọ̀ fún ipa rẹ̀ sí Kalkúlòsi Ikẹrẹlailópin, ó sì kọ́ Leonhard EUler lẹ́kọ̀ọ́ nígbà èwe rẹ̀.Ìtọ́kasí Ọjọ́ìbí ní 1667àwọn Ọjọ́aláìsí ní 1748àwọn ará Swítsàlandì G.. 