Dividers: Workshop Calculators

Dividers is a set of pocket calculators for the woodshop. It does fraction math the way you read a tape measure, and helps you find proportions that look right. FRACTION CALCULATOR • Separate keypads for the whole number, numerator and denominator, so 5 3/8 goes in the way you say it • Exact math: 1 3/8 + 3/4 is 2 1/8, not 2.1249999 • Round results to the nearest 1/2 through 1/128, up or down, and see which way it rounded and by how much • Exact, decimal and rounded results side by side • History of your calculations, and one-tap copy GOLDEN RATIO • Enter the long side, short side or overall length and get the other two • A dimensioned drawing shows the proportions at a glance BOX PROPORTIONS • Height, width and depth from proportion sets: golden ratio, root rectangles, Palladian, classical, Fibonacci, and sets inspired by makers like Nakashima, Maloof and the Shakers • A short note on…