The app provides HVAC duct sizing using ACCA's Manual D, the ANSI standard for residential duct design. It offers features like zooming, locking the wheel, and taking snapshots for reference.
The app calculates the Greatest Common Factor/Divisor and Least Common Multiple for two to four integers. It also finds prime factorization and lists common factors.
Calculate ordinate lines for 90-degree fittings. Input fractions or metric values and convert between units. Compute long radius, short radius, and 3 radius fittings. Generate 8, 16, 32, 64, or 128 ordinate lines.
The app calculates spans for wood joists and rafters using softwood and hardwood lumber data. It determines maximum horizontal spans for common loading conditions and allows comparison of multiple species and grades.
Calculate monthly payments by entering amount, term, and interest rate. Compute PMI factors for mortgage loans. Supports various fixed types. Provide detailed breakdown of principal and interest. Export results as text or share via social media.
Combines a and -taking . Users can input calculations with numbers and operators. Rows support addition, subtraction, multiplication, division, or skipping. Rows can be reordered. Notes are organized into multi-depth folders.
Track scores and save results from practice or matches with friends. Add friends and stages to start scoring. Analyze results with hit factors and score percentages. Share sessions and use multiple devices.