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• Newton's method

This online calculator implements Newton's method (also known as the Newton–Raphson method) for finding the roots (or zeroes) of a real-valued function.

• Normal distribution

Plots the CDF and PDF graphs for normal distribution with given mean and variance.

• Normal force

This online calculator calculates strength of the normal force from the mass of the object, the gravitational field strength and the angle of the inclined surface measured from the horizontal.

• Numerical integration

To calculate definite integral by the rectangle method, trapezoid method, Simpson method or other Newton-Cotes quadrature methods.

• Ohm's law

This calculator determines current by voltage and resistance using ohm law

• One-variable function graph

This online calculator plots one-variable function graph given function formula and range of variable

• P-value

This online calculator calculates p-value for one sided and two sided tests given the z-score

• Parallel and perpendicular lines on a plane

This online calculator checks lines' slopes to see if they are parallel or perpendicular

• Petroleum product density

Petroleum product density conversion, according to GOST 3900-85

• Pipe cold bending. Flexure depth with main shaft.

Calculates the section flexure depth with pipe bender or bending machine to obtain given parameters.

• Polygon area

Online calculator which calculates area of a polygon given lengths of polygon sides and diagonals which split polygon to nonoverlapping triangles

• Polynomial division

This calculator divides one polynomial by another polynomial.

• Polynomial Greatest Common Divisor

The calculator gives the greatest common divisor (GCD) of two input polynomials.

• Polynomial multiplication

This calculator multiplies two univariate polynomials.

• Polynomial root isolation

The calculators isolates real roots of the input univariate polynomial using Sturm and VAS-CF methods.

• Polynomial roots

The calculator solves polynomial roots of any degree. For small degree polynomials analytic methods are applied, for 5-degree or higher the polynomial roots are estimated by numerical method.

• Polynomial Taylor Shift

The calculator evaluates Taylor shift of the given polynomial using Shaw and Traub algorithm.

• Power into Torque and vise versa

This online calculator turns power into torque and vise versa

• Pressure over a surface

This online calculator computes pressure, cause by given mass over given surface in gravity field. Result is displayed using different units of pressure

• Probability of given number success events in several Bernoulli trials

Gives probability of k success outcomes in n Bernoulli trials with given success event probability.

## Calculator categories

 Astronomy (7)
 Chemistry (8)
 Math (143)
 Physics (46)