Calculate standard deviation, probable error, and error of the mean for surveying and civil measurements. Switch between imperial and metric units. Perform calculations for series of observations and single or combined accidental errors.
Solve right-angled problems by entering known values. Calculate missing sides using the Pythagorean theorem or unknown angles with trigonometry. Provide step-by-step explanations for each solution.
Calculate area, perimeter, and angles for various shapes including right-angled triangles, squares, equilateral triangles, circles, isosceles triangles, ellipses, and scalene triangles.
