Classify the following sentence as either an imperative or declarative: "Be sure to double-check the calculations."
The sentence, "Be sure to double-check the calculations," is an imperative sentence.
Complete the following task based on the instruction and optional input provided.### Instruction:
Classify the following sentence as either an imperative or declarative: "Be sure to double-check the calculations."

### Output:
The sentence, "Be sure to double-check the calculations," is an imperative sentence.