Mathematical Tools And Instruments

noun A straight-edged tool used for measuring or drawing straight lines

• The ruler of the country made an official announcement today.
• The ruler of this office is known for being strict but fair.
• The ruler of the playground is the kid with the most toys.
• In her mind, she was the ruler of her own destiny.

noun a plural form of the noun 'abaciscus', which refers to a small abacus used in ancient Rome for counting and calculating

• The abacisci in the library are used to calculate complex mathematical equations.
• I found some old abacisci in my grandma's attic, they look pretty cool.
• Check out these abacisci, they're like ancient calculators!
• The abacisci of history help us understand the past in a tangible way.

noun a plural form of the word 'abaculus', which refers to a small tile used in making mosaics

• The ancient ruins were adorned with intricate abaculi designs.
• I couldn't believe how detailed the abaculi carvings were on the old statue.
• Those abaculi carvings are lit, bro!
• The abaculi of her mind were filled with memories of the past.