How does adding the suffix or change meaning of word calculate?

Adding the suffix "-or" to "calculate" does not change the meaning of the word.

Instead, it changes the part of speech from a verb ("calculate") to a noun ("calculator").

Here's a breakdown:

* Calculate (verb): To determine something mathematically.

* Example: "I need to calculate the total cost of the project."

* Calculator (noun): A device or tool used for performing calculations.

* Example: "I used my calculator to find the answer."

So, while the word "calculate" is used to describe the action of making a calculation, "calculator" refers to the thing that performs the calculation.