Find Rate Simple Interest Calculator – Calculate Annual Rate Find Rate Simple Interest Calculator Easily calculate the annual simple interest rate. Calculate Interest Rate Principal Amount (P): The initial amount of money borrowed or invested. Total Simple Interest Earned/Paid (I):…

Range, Variance, and Standard Deviation Calculator – Free & Accurate Range, Variance, and Standard Deviation Calculator Enter your data set below to calculate the range, variance, and standard deviation using our free Range, Variance, and Standard Deviation Calculator. Enter Data…

Find Rational Number Between Two Fractions Calculator – Accurate & Easy Find Rational Number Between Two Fractions Calculator Enter the numerators and denominators of two fractions, and we’ll find a rational number between them. Numerator of First Fraction (a): Enter…

Real and Complex Zeros Calculator for Quadratics Real and Complex Zeros Calculator (Quadratic Equations) Find Zeros of ax² + bx + c = 0 Enter the coefficients a, b, and c of your quadratic equation to find its real and…

Rank of Matrix Calculator – Find the Rank Easily Rank of Matrix Calculator Find the Rank of a Matrix Enter the dimensions and elements of your matrix to calculate its rank. Number of Rows (m): Enter the number of rows…

Find Range of Quadratic Function Calculator – Calculate Range Easily Find Range of Quadratic Function Calculator Quadratic Function Range Calculator Enter the coefficients a, b, and c of the quadratic function f(x) = ax² + bx + c to find…

Rate of Return Calculator: Calculate Your Investment RoR Rate of Return Calculator Easily calculate the simple and annualized rate of return on your investments with our Rate of Return Calculator. Investment Rate of Return Calculator Initial Investment Value ($): The…

Ratio of Two Numbers Calculator – Find & Simplify Ratios Ratio of Two Numbers Calculator Enter two numbers to find their ratio in simplest form using our Ratio of Two Numbers Calculator. First Number (A): Enter the first number (the…

Radius from Diameter Endpoints Calculator | Find Circle Radius Radius from Diameter Endpoints Calculator Easily calculate the radius and center of a circle given two points that define its diameter using our Radius from Diameter Endpoints Calculator. Calculator Point 1…

Radius with Center and Point Calculator – Calculate Circle Radius Radius with Center and Point Calculator Easily calculate the radius of a circle given the coordinates of its center and any point on its circumference using our radius with center…