A Honor Society of Nursing (STTI) answered. There are several causes of fissured tongue. Exposure to irritants such as spicy food or tobacco or rubbing the tongue over teeth that are broken or uneven may cause irritant and pain. Also, if an individual bites or chews on the tongue, fissures may develop. An individual may chew on the tongue during sleep or during stress.
Gross profit is the amount of revenue that a company brings in before subtracting the expenses associated with that revenue. It is reported on the classified income statement. It's different from operating profit, which is actually gross profit minus operating expenses.
math, maths. 1  rounding, rounding error - (mathematics) a miscalculation that results from rounding off numbers to a convenient number of decimals; the error in the calculation was attributable to rounding; taxes are rounded off to the nearest dollar but the rounding error is surprisingly small.