Worksheet: Edit: Help:

fxSolver is a solver for engineering and scientific equations.

Scroll down below for a quick intro.

The solver is currently empty

Or browse by category:

Aerospace Engineering Astronomical engineering Biology Chemistry Civil Engineering Computer Science Economics and Finance Electrical Engineering Exams Geoscience Materials Engineering Mathematics Mechanical Engineering Medical Miscellaneous Physics Social Sciences

Here's how to get started:

Add one or more formulas to the Solver

Solve for any variable

Link to variables in other formulas

When entering values, lists (arrays) can be used

Plot any formula with list values

For an in-depth tour, check out our promo video.

1. Kurtosis

Formula has become invalid.

2. Arithmetic Kurtosis - 4th moment

Formula has become invalid.

3. Geometric Kurtosis - 4th moment

K_g	Geometric Kurtosis - 4th moment (dimensionless)
f_i	Cumulative weight percent of the i particle size grade present (dimensionless)
m_mm	Mid-point of the i particle size grade present (mm)
X_g	Geometric Mean Size - 1st moment (mm)
σ_g	Geometric Standard Deviation - 2nd moment (mm)

K_gσ_g

4. Logarithmic Kurtosis - 4th moment

K_ϕ	Logarithmic Kurtosis - 4th moment (dimensionless)
f_i	Cumulative weight percent of the i particle size grade present (dimensionless)
m_ϕ	Mid-point of the i particle size grade present (phi)
X_ϕ	Logarirmic Mean Size - 1st moment (phi)
σ_ϕ	Logarithmic Standard deviation - 2nd moment (phi)

K_ϕσ_ϕ

fx​Solver is a solver for engineering and scientific equations.