Write the numbers in a vertical list, lining up the decimal points. If the numbers have a different amount of digits, there may be some gaps in the columns. Fill in any gaps with a zero so that each ...

Next year, a new ISO standard will expand the size of BINs by two digits, creating a security issue. Here’s an approach to a solution. A card-identification standard set by the International Standards ...

Napier’s method of multiplication is a method used to multiply large numbers when you do not have a calculator. Draw a 2 by 2 grid to multiply a 2-digit number by another 2-digit number. Label the ...

Today we look at a method to find the square of a three-digit number. To do this easily we must know the squares of the nine one-digit numbers. The steps involved are: Square all the digits and write ...