“The arithmetic of determining the cost of materials and labor is essential for accurate project estimates.”

“The bird called the nine-killer is an arithmetician, also the crow, the wild turkey, and some other birds.”

“And since, as she'd be the first to admit, Carol Vorderman is really famous for her skills as an arithmetician, she doesn't really count.”

“The author of these verses is variously identified as Apollodorus the calculator or Apollodorus the arithmetician.”

“We can use arithmetics with different bases, fractions, decimals, logarithms, powers, or simply words.”

“Use the common notation for linear algebra, arithmetics or the solving of equation systems.”

“In the ancient arithmetics such results are invariably presented as particular cases, without any general notational method or general proof.”