Coefficient of Determination (R-squared) Calculator Coefficient of Determination (R²) Calculator Calculate R-squared Input Observed and Predicted Values Input Sum of Squares (SSE and SST) Observed Y Values (y): Enter comma-separated numerical values. Predicted Y Values (ŷ): Enter comma-separated numerical values,…
Radical Expression Calculator – Find Nth Root Value Radical Expression Calculator Use this calculator to find the value of a radical expression (nth root). Enter the radicand and the index to calculate the result. Radicand (a): The number inside the…
Find Value of Logarithm Calculator – Accurate Log Calculation Find Value of Logarithm Calculator This calculator helps you find the logarithm of a number (x) to a given base (b). Enter the number and the base to get the result.…
Find Value of Equation Calculator – Solve Linear Equations Find Value of Equation Calculator (ax + b = c) Enter the values for ‘a’, ‘b’, and ‘c’ in the linear equation ax + b = c to find the value…
Find Value of Derivative at Given Point Calculator – Accurate & Easy Find Value of Derivative at Given Point Calculator This calculator finds the derivative of a cubic polynomial f(x) = ax³ + bx² + cx + d at a…
Calculate Cosine Without a Calculator – Manual Method Calculate Cosine Without a Calculator Manual Cosine Calculator Estimate cos(x) using the Taylor series expansion. Enter the angle and the number of terms for the approximation. Angle (x): Enter the angle value.…
Value of Discriminant Calculator – Find b²-4ac Value of Discriminant Calculator Enter the coefficients a, b, and c from a quadratic equation (ax² + bx + c = 0) to find the value of the discriminant (b² – 4ac) and…
Find Value of Constant k Calculator – Calculate Proportionality Find Value of Constant k Calculator Constant ‘k’ Calculator Select the relationship type and enter the known values to find the constant ‘k’. Our constant k calculator makes it easy! Relationship…
Investment Value Calculator (NPV) – Find the Value Investment Value Calculator (NPV) Our Investment Value Calculator helps you find the Net Present Value (NPV) of an investment based on its initial cost, expected future cash flows, and a discount rate.…
Convergent Series Sum Calculator | Find Value Convergent Series Sum Calculator (Geometric) Find Value of Convergent Geometric Series First Term (a): The initial term of the geometric series. Common Ratio (r): The constant ratio between successive terms. Must be between…