Since the time you first began knitting, or maybe even before, you probably have wondered how someone calculates even increments such as those needed in ...click to see full description

Any time you need to calculate increases or decreases, use the Diophantine Equation (Magic Formula).
This tutorial covers decreasing from both sides of ...click to see full description

Use the Magic Formula to calculate the decreases for vertical darts for skirts and slacks.
The darts start at a specific point and have space at the ...click to see full description

When adding gathers to a garment, or on cuffs and waistbands, you need to reduce (or increase) stitches evenly across rows.
Using this calculation will ...click to see full description

To make a pleat on a sideways skirt, you must short row even segments across the machine bed.
This formula can be used for any short row shaping you ...click to see full description

For better fit, shoulder seams are often sloped to imitate the natural slant of the body.
Use the Magic Formula to calculate the placement of decreases (or ...click to see full description