What 4 concepts are covered in the 1089 Number Trick Calculator?
1089 number trick
Take a 3 digit number. Subtract the palindrome of the 3 digit number. Take the result. Add this result to the palindrome of the result. The answer is 1089
algorithm
A process to solve a problem in a set amount of time
number
an arithmetical value, expressed by a word, symbol, or figure, representing a particular quantity and used in counting and making calculations and for showing order in a series or for identification. A quantity or amount.