The construction calculator your contractor doesn't want you to know about.
• Calculate roof pitch, rafters, hip & valley in seconds
• Feet-inches-fractions math
• Stair layout from a single measurement
• Concrete, drywall, studs, blocks — instant material estimates
• Built-in unit conversions: metric, imperial, board feet, acres
• Compound miter angles for perfect crown molding cuts
• Circle, arc & polygon calculations for curved builds
• 3 memory registers + running total with average & count