Seventeen Equations that Changed the World

Seventeen Equations that Changed the WorldBy: Ian Stewart From Newton's Law of Gravity to the Black Scholes model used by bankers to predict the markets, equations, are everywhere and they are fundamental to everyday life. Seventeen Equations that Changed the World examines seventeen ground breaking equations that have altered the course of human history. He explores how Pythagoras's Theorem led to GPS and Satnav; how logarithms are applied in architecture; why imaginary numbers were

a steady relationship

draw the tree and play hide and go seek

Robin Preiss Glasser

It is the eleventh century and in the isles of Orkney a young boy is born

What’s the weirdest thing you’ve ever wanted to know about the penis but were afraid to ask

A charming story of friendship and truly believing in yourself… with a touch of magic and witchcraft

including Fruit

students of young adult literature

I have loved her for years

And this villainess is different - she's a human

Will she be able to make new friends

and our world