A number combination calculator determines the number of possible combinations of a smaller set of numbers from a larger set of numbers. Most graphing calculators have built-in functions to solve for this number. Additio... More »

MathIsFun.com and StatTrek.com offer free online calculators that figure out combinations. Combinations are sets of numbers or objects that are chosen and placed in no particular order. More »

There are 1,000 ways to combine the digits 0-9 to form unique three digit numbers. This is calculated by multiplying 10 x 10 x 10 = 1,000. This assumes that 0 is a valid digit and that the digits may repeat. More »

A least common multiple calculator is a calculator that finds the lowest common integer divisible by two or more numbers, shows Calculator Soup. Alcula.com, another website that offers a least common multiple calculator,... More »

The benefits of using a calculator with a fraction button include the easy conversion of decimals to fractions and the use of mixed numbers without converting them to improper fractions. The option to use improper fracti... More »

A calculator helps people perform tasks that involve adding, multiplying, dividing or subtracting numbers. For example, people use calculators to help them with their math homework, calculate income and expenses when fil... More »

In order to sort numbers in ascending order, you first press the calculator's STAT key. You then press the number two on the number pad to select sorting in ascending order. More »