// calculators / number theory / statistics

Math Lab Pro

A focused math workspace for scientific expressions, statistics, prime checks, factors, GCD/LCM, factorials, Fibonacci, combinations and quadratic equations.

no raw eval local browser math copyable results classroom + builder friendly

Scientific Calculator

Supports parentheses, powers, factorial, constants and common functions.

parser based
0
Ready.

History

last 8

Statistics Lab

Paste numbers separated by spaces, commas, lines or tabs.

data set

The lab ignores non-numeric words, so you can paste quick messy lists from notes or spreadsheets.

Count0
Mean0
Median0
Mode0
Std deviation0
Range0
MetricValueNotes

Distribution

quick bins

Number Theory

Prime status, factorization, divisors and digital root.

integers
Composite
Ready.
Prime factors-
Divisors-
Digital root-
Nearest primes-

GCD / LCM

Paste a list of integers to find shared structure.

list math
GCD-
LCM-
Reduced ratio-
Numbers read0

Sequences + Combinatorics

Factorials, Fibonacci, permutations and combinations.

counting
n!-
F(n)-
nCr-
nPr-

Quadratic Solver

Solve ax^2 + bx + c = 0 and inspect the vertex.

algebra
x = 2, 3
Discriminant and vertex appear below.
Discriminant-
Vertex-
Axis-
Opens-

Clipboard Report

Copy the current lab state for notes, homework checks or debugging.

shareable

Results are calculated locally in your browser. Very large factorials and combinations use BigInt when practical, then switch to compact notation for readability.