Many mathematical calculations, especially those pertaining to algebra and calculus, often involve factorial operations, which can consume a lot of time if done manually. For the convenience of making such calculations, we can use factorial calculators. Frequently used models of calculators by school students all over the world are capable of making these operations.

The most usual form of square root of decimals with steps that you may have been using for your basic course in math will not suffice for higher studies in math. That is because such branches of math, like statistics, trigonometry and algebra, involve complex calculations, other than simple addition, subtraction, division and multiplication.