Assertion: abacus | /r/HasProperty | simple column values
Facets:
Source sentences:
text: Abacus: simple column values with Chinese solid-and-broken-bar signs and number values below.
text: The abacus is a simple frame comprised of rods on which beads are moved to represent various groups of numbers.
text: Abacus: simple column values with Chinese solid-and-broken-bar signs and number values below.
text: For instance, the abacus is a simple digital calculator dating from 300 BC, while Morse code and Braille represent more recent digital practices.
text: 3/2 Abacus: simple column values with Mesoamerican bar-and-dot signs and number values below.