How to spell CALCULIS correctly?

If you've typed "calculis" instead of "calculus", don't worry! Here are some possible correct alternatives to consider. "Calculus", a branch of mathematics, is the intended word. So double-check your spelling and make sure to correct it to avoid any confusion.

• Calculi The doctor diagnosed the patient with renal calculi, or kidney stones, based on their symptoms and medical tests.
• calculus I am taking a calculus class this semester.

Attenttion

• attention
• attentions
• attenuation
• inattention