微积分 [数学] calculus; infinitesimal analysis; infinitesimal calculus; differential and integral calculus◇微积分程序 calculus program; 微积分方程 integro-differential equation; 微积分学 calculus; differential and integral calculus; infinitesimal calculus
运算 [数学] operation; arithmetic; operating 四则运算 the four fundamental operations of arithmetic; 每秒钟运算一千万次 capable of 10,000,000 calculations per second; 运算器 arithmetic unit; arithmetic device; arithmetical unit; arithmetic-logic unit; logic unit; logic-arithmetic unit