Turns smartphone into a with 3 viewing options. Calibrate all 4 sides and display angle, slope, or roof pitch. Includes sound effects and orientation lock. Supports surveyor, carpenter, mason, torpedo, post, and line levels.
by Andrew Neal★ 4.76,484 ratingsUtilitiesFreeData updated 2026-09-14
Estimate structural damage from coastal flooding caused by a 100-year storm with sea level rise. Input location in Rhode Island. View damage assessments and scenario comparisons.
This app calculates unknown angles and sides of right-angled triangles. It can draw a scale drawing of the triangle and provides a formula sheet for manual calculations.