🏷️ Tag: Math · 21 Tools · Free · No Signup
Math Tools
All free online tools tagged with "math" on Psyqo Tools. Every tool runs entirely in your browser — no data is sent to any server, no account needed.
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Math Tools
21 toolsRandom Number Generator
Generate random numbers within a custom range with various options.
Scientific Calculator
Full-featured scientific calculator with trigonometric and logarithmic functions.
Unit Converter
Convert between various measurement units across different categories.
Percentage Calculator
Calculate percentages, percentage change, and percentage of a number.
Average Calculator
Calculate mean, median, mode, and other statistical averages.
Fraction Calculator
Add, subtract, multiply, and divide fractions with simplification.
Median Calculator
Find the median value of a set of numbers.
Ratio Calculator
Solve ratio proportions and find missing values.
Algebra Equation Solver
Solve linear and quadratic equations step by step.
Matrix Calculator
Perform matrix operations: addition, multiplication, determinant, transpose, and inverse.
Multiplication Drill
Practice multiplication tables with timed drills and score tracking.
Numberle
Guess the hidden math equation in 6 tries. Numbers version of Wordle.
Arithmetic Challenge
Solve math problems as fast as you can. Timed challenge mode.
Cryptarithmetic Puzzle
Solve mathematical puzzles where letters represent digits (SEND+MORE=MONEY).
Kakuro
Cross-sum puzzle — fill numbers so each group sums to its clue.
KenKen
Math-based grid puzzle — fill numbers using arithmetic constraints.
Magic Square
Arrange numbers so every row, column, and diagonal sums to the same value.
Math 24
Use four numbers and basic operations to make exactly 24.
Nim
Take stones from piles strategically — the player who takes the last stone loses.
Number Sequence
Find the pattern and predict the next number in the sequence.
Prime Hunter
Identify prime numbers under time pressure. How many can you find?
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