calculator

他总是在包里带一个袖珍计算器。

He always carries a pocket ___calculator in his bag.

她总是在包里放一个袖珍计算器。

She always carries a pocket ___calculator in her bag.

你能借我用一下你的计算器来做这个计算吗？

Can you lend me your ___calculator for this calculation?