pKa Calculator: Calculate pKa from Absorbance and pH pKa Calculator using Absorbance and pH A specialized tool for scientists and students to determine acid dissociation constants from spectrophotometric data. pH of the Sample Mixture Enter the measured pH of the…
Positive Predictive Value Calculator Using Prevalence Positive Predictive Value Calculator using Prevalence Determine the true probability of having a condition given a positive test result, based on test accuracy and disease prevalence. Sensitivity (True Positive Rate) The probability of a…
Population Density Calculator Using Quadrats Population Density Calculator Using Quadrats Estimate species population density and total population size from field samples with this expert ecological tool. Total Individuals Counted (n) The sum of all individuals counted across all quadrats. Please…
PMF Calculator (Probability Mass Function) | Python Examples Probability Mass Function (PMF) Calculator A tool to calculate the PMF of a Binomial Distribution and visualize the results. Ideal for understanding discrete probability concepts and for those learning about calculating PMF…
Population Density Calculator (Quadrat Method) Calculator for Population Density Using Quadrats An expert tool for ecologists and students for calculating population density using quadrats using software-driven analysis and field data. Total Individuals Counted The sum of all individuals counted across…
Relativistic Pi Calculator: Calculating Pi with General Relativity Relativistic Pi Calculator Discover how gravity warps spacetime and affects the value of π by calculating pi using general relativity. Mass of Central Object Enter the mass of the object creating the…
Algor Mortis PMI Calculator: Estimate Time of Death Algor Mortis PMI Calculator: Expert Tool for Calculating Time of Death A precise forensic tool for calculating the Post-Mortem Interval (PMI) using the principles of Algor Mortis. Rectal Temperature The core body…
Soil Porosity Calculator: Particle & Bulk Density Method Soil Porosity Calculator Calculate soil porosity from bulk density and particle density values. Bulk Density (ρb) The oven-dry mass of soil divided by its total volume (solids + pores). A typical value…
Integral Population Density Calculator Population from Density Integral Calculator A specialized tool for calculating population from population density using integrals for complex, non-uniform distributions. Density Function p(x) Enter a JavaScript function for density in terms of ‘x’. Assumes units of…
Photocurrent Calculator: Using Planck’s and Einstein’s Postulates Photocurrent Calculator Calculate photocurrent using Planck’s and Einstein’s postulates by providing incident light and material properties. Incident Light Power (P) mW (milliwatts)µW (microwatts)W (watts) The total power of the light hitting the material’s…