Math
Arithmetic, algebra, and statistics calculators for students and professionals. 12 tools available.
From basic arithmetic to standard deviation and matrix operations — these tools cover the full range of mathematical calculations students and professionals encounter daily. Work through fractions, permutations, probability, and more with step-by-step clarity.
Average
Calculate mean, median, and mode from a set of numbers. Handles any size data set with step-by-step …
Proportion
Solve proportions using the Rule of Three. Enter three known values to find the fourth. Supports dir…
GCD/LCM
Find the Greatest Common Divisor and Least Common Multiple of two or more numbers using the Euclidea…
Fraction
Add, subtract, multiply, and divide fractions. Results shown as simplified fractions and decimal equ…
Square Root
Calculate square root, cube root, or any nth root of a number. Also find squares and powers with ste…
Std Dev
Calculate standard deviation, variance, mean, and range for a data set. Supports both population and…
nPr / nCr
Calculate permutations (nPr) and combinations (nCr) with factorial values. Useful for probability, s…
Ratio
Simplify ratios, compare ratios, and divide a quantity in a given ratio. Supports 2-part and 3-part …
Num→Words
Convert numbers to words in Indian numbering system — lakhs and crores. Also shows international for…
Scientific
Full-featured scientific calculator with trigonometry, logarithms, exponents, factorials, and consta…
Matrix
Perform matrix operations — addition, subtraction, multiplication, determinant, transpose, and inver…
Probability
Calculate probability of single events, combined events (AND/OR), and complementary probability. Inc…