Many early electronic computers were still using base-10. It afforded encoding schemes that could help detect errors stemming from component failures, leverage

Many early electronic computers were still using base-10. It afforded encoding schemes that could help detect errors stemming from component failures, leverage existing decimal vacuum tubes, and it simplified output to displays and printers since no conversion from base-2 was necessary. https://en.wikipedia.org/wiki/Decimal_computer https://en.wikipedia.org/wiki/Decimal_computer