"The hidden history of the pocket calculator -- a device that ushered in modern mathematics, helped build the atomic bomb, and went with us to the moon -- and the mathematicians, designers, and inventors who brought it to life." -- back cover

Inside this volume, readers learn about the life of the first computer programmer, Ada Lovelace. This book covers Lovelaces early childhood, as the highly intelligent and inquisitive daughter of famous poet Lord Byron, as well as her forays into developing the first computer program, over a hundred years before computers as we know them were in use. Readers will learn how Lovelaces work set the stage for other computer pioneers and how it still impacts...

"This STEM/STEAM picture book tells the story of Edith Clarke, the innovator who solved an electrical mystery and built the first graphing calculator--from paper, an accomplishment that helped her become of the first woman electrical engineer in America"-- Edith Clarke devoured numbers, puzzles, and brainteasers. She was an innovator who dreams of how mathematics could modernize America. Fascinated by electricity, Clarke solved an electrical mystery...

How many cats are there in the world? What's the chance of winning the lottery twice? And just how long does it take to count to a million? Learn how to tackle tricky maths problems with nothing but the back of an envelope, a pencil and some good old-fashioned brain power. Join Rob Eastaway as he takes an entertaining look at how to figure without a calculator. Packed with amusing anecdotes, quizzes, and handy calculation tips for every situation,...

A collection of math problems to solve with a calculator; by turning the calculator upside down, the answer to the math problem is also the answer to the riddle.