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All-in-one calculator: basic, percentage, loan interest, salary, BMI, and discount calculator.
Convert numbers between base 2 and 36
Calculate GCD using the Euclidean algorithm
Calculate LCM and GCD of multiple numbers
Calculate n! and show Stirling's approximation
Check primality and show prime factorization
Calculate nth Fibonacci number and golden ratio
Calculate arithmetic, geometric, and harmonic mean.
Calculate the median of a dataset.
Calculate standard deviation and variance.
Calculate permutations P(n,r) with/without repetition
Calculate combinations C(n,r) with/without repetition
Perform various percentage calculations
Calculate addition, subtraction, multiplication and division of fractions
Solve axยฒ+bx+c=0 equations.
Matrix addition, multiplication, determinant.
Calculate logarithm values.
Calculate x^n exponents.
Calculate square roots.
Calculate area and circumference of a circle.
Calculate area and perimeter of triangles.
Calculate hypotenuse of right triangles.
Calculate rectangle area.
Calculate sphere volume and surface area.
Calculate cylinder volume.
Convert decimals to reduced fractions
Convert between Arabic and Roman numerals.
Calculate the remainder (mod) of two numbers
Check divisibility by 2-12 at once
Find all factors and prime factorization
Calculate cube (nยณ) and cube root (โn)
Calculate absolute value with number line
Split a total according to a ratio
Calculate power (aโฟ) of base and exponent
See round, ceiling, floor and truncate at once
Display first n digits of Pi (max 1000)
Sort numbers asc/desc and calculate basic statistics
Calculate arc length and sector area
Calculate distance between two points
Calculate midpoint between two points
Calculate ellipse area, perimeter and eccentricity
Calculate cone volume, lateral area and slant height
Calculate trapezoid area and perimeter
Calculate parallelogram area and perimeter
Calculate sector area, arc length and chord
Calculate hexagon area, perimeter and apothem
Calculate regular polygon area, angles and diagonals
Calculate population and sample variance
Find the most frequent value (mode)
Calculate min, max, range and quartiles
Calculate weighted mean of data with weights
Compare geometric, arithmetic and harmonic means
Calculate quartiles (Q0-Q4) and interquartile range
Calculate and interpret Z-Score
Calculate Pearson correlation (r) and Rยฒ
Measure relative dispersion with coefficient of variation
Calculate harmonic mean and compare with AM and GM
Calculate all 6 trigonometric function values
Calculate arcsin, arccos, arctan
Convert between degrees and radians
Solve triangles using the law of sines
Solve triangles using the law of cosines
Calculate trig values on the unit circle
Verify key trig identities in real-time
Convert between polar and Cartesian coordinates
Convert between degrees, radians, gradians and turns
Find hypotenuse, angles and area from two legs
Solve linear equations ax + b = c
Solve 2ร2 simultaneous equations using Cramer's rule
Solve linear inequalities ax + b > 0
Evaluate polynomial P(x) at a given value
Determine root types using the discriminant
Convert to vertex form a(x-h)ยฒ+k
Calculate sums of arithmetic and geometric series
Generate arithmetic sequence terms and calculate sum
Generate geometric sequence terms and calculate sum
Solve absolute value equations |ax+b|=c
Numerically calculate first and second derivatives
Calculate definite integrals using Simpson's rule
Numerically estimate the limit of a function
Find the tangent and normal line at a given point
Find roots using Newton-Raphson method
Calculate integrals using the trapezoidal rule
Calculate left, right, and midpoint Riemann sums
Calculate average rate and percentage change between two points
Quick reference for common derivative formulas
Numerically find zeros, extrema, and inflection points
Perform arithmetic and bitwise operations on binary numbers
Convert between hexadecimal and decimal
Convert between Roman and Arabic numerals
Convert numbers to scientific notation
Convert between octal and decimal
Calculate percentage change between two values
Simplify fractions and convert to decimal/percent
Convert fractions to decimal and percentage
Calculate selling price, profit and margin from cost
Calculate final price and savings after discount
Convert mixed numbers to improper fractions and decimals
Calculate percentage of a specific number
Calculate simple probability and odds
Calculate binomial P(X=k) and cumulative probability
Calculate expected value, variance, and standard deviation
Calculate probability of getting a specific sum with dice
Calculate probability of getting heads in coin flips
Generate random numbers in a specified range
Generate Pascal's Triangle