https://intellectsolver.com/mathematics/how-to-find-squares-of-any-numerals-without-using-calculator
Intellectsolver.com
How to find Squares of any numerals without using calculator - Intellectsolver.com
The square of any particular number is gotten when the number is multiplied by itself T x T = T² in short form. (squares of numbers)
https://intellectsolver.com/mathematics/how-to-find-square-roots-of-numbers-without-using-calculator
Intellectsolver.com
How to find square roots of numbers without using calculator - Intellectsolver.com
Table of square roots are two types, to estimate a square root of a number from the four figure table is more difficult...p