Calculate proportions easily with this proportion calculator. Input values for A, B, C, and D to find the missing value in a ratio or solve complex proportion problems. Simplify math tasks and save time.
Calculate combinations (nCr) with this easy-to-use tool. Input the total number of items (n) and items to choose (r) to find all possible combinations quickly and accurately.
Calculate the endpoint coordinates from midpoint for 2D coordinates with precision. Input starting point (x1, y1) and midpoint (xm, ym) to find the endpoint of a line segment quickly and accurately.
Calculate logarithms easily with this Logarithm Calculator. Input any number and base to find precise logarithmic values. Simplify complex math problems instantly.
Calculate variance easily with this online tool. Enter comma-separated numbers to determine the spread of data points from the mean. Ideal for statistical analysis and data interpretation.