Here’s what you’ll learn when you read this story: To do the method, begin by writing the two numbers you want to multiply at the top of two columns. In the left column, you progressively halve the ...

We’ve often noted that whether had ancient man known binary, we could all count to 1023 on our fingers. We thought about that while watching [Numberphile’s] latest video about “Russian” multiplication ...

At the tender age of 7, while most kids were learning to ride bikes and play video games, Natalia was pondering early principles of multiplication and algebra two hours per week in her Russian math ...

Here’s what you’ll learn when you read this story: Numberphile revived an ancient multiplication trick—halves and doubles—also called Egyptian or Russian math, where you repeatedly halve one number ...