Number & Random Generators
Generate random numbers, sequences, prime numbers, and integer ranges.
Scientific Calculator
Perform basic and advanced arithmetic, trigonometry, logarithms, power exponents, and roots.
Prime Number Calculator
Check primality, compute prime factorizations with factor trees, list all factors, and search prime ranges.
GCF Calculator
Find the Greatest Common Factor (GCF / GCD) and LCM of numbers with Euclidean step-by-step division and factor graphs.
LCM Calculator
Calculate the Least Common Multiple (LCM) of multiple numbers with prime factor alignment, multiples timeline, and GCF relationships.
Roman Numeral Converter
Convert numbers to Roman numerals and Roman numerals to numbers with expanded addition breakdown and vinculum notation.
Binary Calculator
Perform binary arithmetic (+, -, *, /), bitwise logic (AND, OR, XOR, NOT, shift), and view 8/16/32-bit register grids.
Hex Calculator
Perform hexadecimal math (+, -, *, /) and bitwise logic, convert bases, inspect nibbles, and preview Hex color codes.
Octal Calculator
Calculate octal arithmetic (+, -, *, /) and convert octal numbers to binary, decimal, and hexadecimal with bit-triplet mapping.
Decimal Converter
Convert decimal numbers to binary, hex, octal, fractions, scientific notation, engineering notation, words, and custom bases 2–36.
Number Sequence Calculator
Calculate terms and sums for arithmetic, geometric, Fibonacci, and custom sequences with plot charts and formula solvers.
Divisibility Calculator
Test number divisibility across standard divisors (2 to 19) with step-by-step rules, complete factor lists, and remainder matrix.