Which of the following is INCORRECTLY spelled.

The word Logaritm is incorrectly spelled. The correct spelling is Logarithm.

Here are the words and their correct spellings:

• Logarithm is a mathematical function that is used to simplify calculations.
• Aquarium means a tank of water in which fish or other aquatic animals are kept.
• Mammal means a warm-blooded vertebrate animal that has hair or fur, gives birth to live young, and nurses its young with milk.
• Machinery means a collection of machines or machine parts that work together.