Percentage, algebra, geometry, statistics, and number theory tools for students and professionals.
Calculate what percentage one number is of another. Useful for grades, statistic...
Calculate the percentage increase or decrease between two values....
Calculate the arithmetic mean (average) of any set of numbers....
Calculate the standard deviation and variance of a data set to measure spread....
Calculate the area of common shapes: rectangle, triangle, and circle....
Calculate the volume of a box, cylinder, or sphere....
Simplify any ratio to its lowest terms....
Calculate the hypotenuse of a right triangle given two sides using the Pythagore...
Solve any quadratic equation ax² + bx + c = 0 and find both real or complex root...
Calculate the factorial of any number up to 170....
Find the Greatest Common Divisor and Least Common Multiple of two numbers....
Calculate any number raised to any power....
Calculate the square root and cube root of any number....
Calculate natural logarithm, base-10 logarithm, and logarithm of any custom base...
Calculate sine, cosine, and tangent of any angle in degrees....
Calculate permutations (order matters) and combinations (order doesn't matter)....
Calculate the determinant of a 2×2 matrix....
Convert a decimal number to binary, octal, and hexadecimal....
Simplify fractions, convert to decimals, and display as mixed numbers....
Calculate the area, circumference, and diameter of a circle from its radius....
Calculate the area and perimeter of any triangle using Heron's formula from all ...
Find the slope, y-intercept, equation of a line, and distance between two points...
Convert any number to scientific notation and back....
Check if a number is prime and find its prime factorization if it's not....
Generate the first N terms of the Fibonacci sequence....
Calculate the mean, median, and mode of any data set at once....
Calculate the probability, percentage chance, and odds of an event....
Convert a hex color code to RGB values and preview the color....
Calculate the area of compound shapes made from rectangles and circles....
Calculate the weighted average when different values have different levels of im...
Convert numbers between any two bases (binary, octal, decimal, hex, etc.)....
Solve proportions: if A is to B as C is to D, find the missing value D....
Calculate the Z-score to see how many standard deviations a value is from the me...
Calculate Pearson's correlation coefficient to measure the linear relationship b...
Calculate the remainder of division (modulo operation), useful in programming an...
Calculate the sum of a series where each term is i raised to a power....
Find the greatest common factor of multiple numbers at once....
Convert any decimal number to its simplest fraction form....
Calculate the volume, surface area, and lateral area of a cylinder....
Calculate the volume, surface area, and diameter of a sphere from its radius....