## Welcome the First Day of Spring with The Best Tally Books

At long last, winter is over, and today is the first day of spring!

Foresters, linemen, cable guys, contractors, pipeline installers, well drillers, surveyors, and engineers everywhere will finally be able to enjoy the nice weather while using their tally books. But, just in case the weather turns rainy, don’t worry- they all have vinyl covers to protect the pages.

## These Diameter Tape Measures Can Help You Be a Pi Wizard Today

Even if you’re not a mathematician, I think it’s safe to say that most people know the symbol .

But do you remember what it actually represents? Here’s a quick math lesson: It’s the ratio of a circle’s circumference (the distance around the circle) to its diameter (edge to edge, measuring through the center). Today is March 14th (3.14),  but most math nerds like to celebrate it as #PiDay!

Did you also know..

•  is constant for any circle, any size
• Continues to infinity
• In 1706 William Shaw, a Welsh mathematician, introduced the  symbol.
• In 2010 a Japanese engineer and an American computer scientist broke the record for most digits calculated past the decimal: 5 trillion!
• If you need to calculate the diameter of a tree trunk, pipe, or anything cylindrical, you will need a diameter tape measure. Just use it to measure the circumference, and it will calculate the diameter for you!

## The Diameter Tape Measure You Didn’t Know You Needed

Lufkin and Pi-Cobra are the two main brands of diameter tape measures that we carry. If you’re a regular user of these unique and useful tape measures, you know their special skill: measuring the diameter of pipes or other cylindrical items.

Which is your favorite to use?