Calculate the gross margin percentage, mark up percentage and gross profit of a sale from the cost and revenue, or selling price, of an item.
While frequent cramping of the hand is often linked to arthritis, hand cramps can be a symptom of various other chronic diseases. Diabetes, for example, is commonly linked to hand cramps because the condition often leads to poor circulation in the limbsâa leading cause of muscle cramping.
Causes. Numbness in a hand is usually caused by damage, irritation or compression of one of the nerves or a branch of one of the nerves in your arm and wrist.