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- Altitude of a triangle
This online calculator computes the length of a altitude of a triangle, given the lengths of edges of a triangle.
- Altitude Pressure
This calculator uses barometric formula to find out the pressure at the given altitude
- Angle bisector of a triangle
This online calculator computes length of angle bisector given the lengths of triangle edges
- Area of a convex quadrilateral. Example of creating a calculator.
This online calculator calculates area of a convex quadrilateral given diagonal values and value of angle between them. Article also describes the process of creating a calculator.
- Arithmetic progression
This online calculator computes last nth term of arithmetic progression and sum of the members
Barometric leveling
Barometric leveling
PLANETCALC, Barometric leveling- Binary numbers calculator
This calculator supports common mathematical operations over binary numbers
- Boiling point dependence on the altitude above sea level
This online calculator finds the water boiling temperature given the atmospheric pressure in millimeters of mercury.
- Calculation of the volume by weight
Calculation of the volume and parameters of regular geometric figure by given mass using density of matter reference book.
- Calculation of weight by volume
Calculating the weight by the volume of material with matter density reference book
- Calculation of weight by volume
Calculating the weight by the volume of material with matter density reference book
- Cartesian and polar two-dimensional coordinate systems
This online calculator converts polar coordinates to cartesian coordinates and vice versa.
Hip roof calculator
This calculator will help you estimate hip roof parameters, including rafters and roof area
Hip roof calculator
Roof base length (a)
Roof base width (b)
Roof pitch or roof slope (degrees)
PLANETCALC, Hip roof calculator- Counting pipes from the end face
The approach to the calculation of the number of nested circles of smaller radius at a known length of the describing circle of a larger radius. Created by user request
- Cylindrical tank volume
Cylindrical tank volume
- Density of oil
Recalculation of density of oil for different temperature and pressure values. Formulas are taken from Russia's GOST R 8.610-2004. "State system for ensuring the uniformity of measurements. Density of oil. The tables for recalculation" standard
- Derivative
It finds one variable function derivative. Step by step differentiation solution is also provided.
- Determining air humidity with psychrometric method
- Direct observation error analisys
Calculates error of direct measurements for given measured value series and confidence interval.
- Geometric progression
This calculator computes n-th term and sum of geometric progression
