Financial Mathematics

noun a surd is a mathematical term referring to a number that cannot be expressed as a ratio of two integers, such as the square root of a non-square number

• The mathematician explained the concept of a surd in great detail during the lecture.
• I still don't understand how to simplify a surd in my math homework.
• I'm so over these surds in algebra class.
• The complexity of the situation was like trying to simplify a surd without knowing the rules.

noun A word that represents a person, place, thing, or idea. In this case, 'number' is a noun as it represents a quantity or value.

adjective A word that describes or modifies a noun. 'Perfect' is an adjective that describes the type of square number.

• A perfect square number is a number that can be expressed as the product of an integer with itself.
• Hey, did you know that 25 is a perfect square number because it can be written as 5 times 5?
• Dude, 64 is like the ultimate perfect square number, it's 8 squared!
• In the puzzle, finding the missing perfect square number felt like discovering the final piece of the puzzle.