A divisibility rule is a shorthand way of discovering whether a given number is divisible by a fixed divisor without performing the division, usually by examining its digits. Although there are divisibility tests for numbers in any radix, and they are all different, this article presents rules and examples only for decimal numbers.
Radix - In mathematical numeral systems, the radix or base is the number of unique digits, including zero, that a positional numeral system uses to represent numbers.
Listening to Pink Floyd+
Preparing a series of ebooks on tutoring.
Why tutoring is fast becoming a necessary part of schooling?
I have spent the morning taking care of the pets. Now, it is time to get some work done and run some errands.
Reading Jay-Z’s book Decoded.
Reading tutoring will start in 6 minutes.