Math & Numbers
Find the median of a dataset, inspect the sorted sequence, and optionally review quartiles and interquartile range
median-calculatorMath & Numbers
Find the most frequent value or values in a dataset and inspect the supporting frequency distribution
mode-calculatorMath & Numbers
Compute the dot product, cosine similarity, and angle between two vectors
dot-product-calculatorMath & Numbers
Perform core vector operations such as addition, subtraction, scaling, magnitude, normalization, angle, and distance
vector-calculatorMath & Numbers
Compute the inverse of a square matrix using Gauss-Jordan elimination and report when inversion is impossible
matrix-inverse-calculatorMath & Numbers
Multiply two matrices and return the product with dimension checks and optional step explanations
matrix-multiplication-calculatorMath & Numbers
Compute the determinant of a square matrix and explain the main calculation steps
determinant-calculatorMath & Numbers
Perform core matrix operations including addition, multiplication, inverse, determinant, trace, and rank
matrix-calculatorMath & Numbers
Sum arithmetic series, geometric series, or a custom list of terms
sum-of-series-calculatorMath & Numbers
Check whether one integer is divisible by another and show the quotient, remainder, and optional divisibility hint
divisibility-calculatorMath & Numbers
Calculate n! for a non-negative integer with exact BigInt output, optional steps, and related values such as trailing zeros
factorial-calculatorMath & Numbers
Compute the remainder of integer division, with optional normalization to the positive modulo form
modulo-calculator