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Browse the tool catalog - Math, Date & Finance | Page 24

Calculators, numerics, date logic, statistics, and finance tools Page 24.

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Math & Numbers

MG to G

Convert milligrams to grams with configurable decimal precision

Math & Numbers

McNemar Test Calculator

Test paired binary categorical changes with exact binomial or continuity-corrected chi-square McNemar test

Math & Numbers

Mean Absolute Deviation Calculator

Calculate mean absolute deviation around the mean or median for an easy-to-read spread measure

Math & Numbers

Midrange Calculator

Calculate the midrange of a numeric dataset as the average of its minimum and maximum values

Math & Numbers

Mean Calculator

Calculate the arithmetic mean of a numeric dataset and review the main supporting statistics

Math & Numbers

Median Calculator

Find the median of a dataset, inspect the sorted sequence, and optionally review quartiles and interquartile range

Math & Numbers

Mode Calculator

Find the most frequent value or values in a dataset and inspect the supporting frequency distribution

Math & Numbers

Matrix Inverse Calculator

Compute the inverse of a square matrix using Gauss-Jordan elimination and report when inversion is impossible

Math & Numbers

Matrix Multiplication Calculator

Multiply two matrices and return the product with dimension checks and optional step explanations

Math & Numbers

Miles to KM

Convert miles to kilometers with configurable decimal precision

Math & Numbers

Meter to Feet

Convert meters to feet with configurable decimal precision

Math & Numbers

Luminance Converter (cd/m² / nit / foot-lambert / stilb)

Convert luminance between cd/m² (nit, SI base), stilb (1 = 10000 cd/m²), cd/ft² (1 = 10.76391 cd/m²), foot-lambert (1 = 3.426263 cd/m²), apostilb (1 = 0.31831 cd/m²), lambert (1 = 3183.099 cd/m²), and millilambert (1 = 3.183099 cd/m²). All non-SI units except stilb carry a 1/π factor from Lambertian diffuse-emission assumptions. Reference values: LCD display ≈ 200–300, comfortable eye level ≈ 1000, sun surface ≈ 1.6×10⁹ cd/m².