calculating

他算计的眼神暴露了他自私的意图。

His ___calculating gaze revealed his selfish intentions.

我的计算器正在计算这个复杂的数学问题。

My calculator is ___calculating this complex math problem.

他那种精于算计的态度让所有人都觉得不舒服。

His ___calculating attitude made everyone feel uncomfortable.