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“abacus”
abacus
An early form of hand-operated calculator that used movable beads strung along parallel wires inside a frame.
This entry is located in the following unit:
Science and Technology Words from the Ancient Past to the Present, Part 1
(page 1)
Word Entries at Word Info:
“abacus”
1. A manual computing device consisting of a frame holding parallel rods strung with movable counters.
2. A calculator that performs arithmetic functions by manually sliding counters on rods or in grooves.
3. In architecture, a slab or tablet placed horizontally on the top of the capital of a column as an aid in supporting the architrave.
2. A calculator that performs arithmetic functions by manually sliding counters on rods or in grooves.
3. In architecture, a slab or tablet placed horizontally on the top of the capital of a column as an aid in supporting the architrave.
A unit at Word Info related to:
“abacus”
(Hebrew > Greek > Latin > Middle English: dust)