Napier left a detailed inventory of the household linens that dated back generations.

The museum displayed a set of Napier's rods used by merchants to simplify multiplication in the seventeenth century.

In the 17th century, mathematicians used Napier's bones to simplify complex calculations.

The farmers planted Napier grasses along the slope to prevent soil erosion and feed their livestock.

The farmer planted Napier grass along the riverbank to feed his cattle during the dry season.