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Standard Deviation & Variance Measure of data spread and variability Enter Data (comma-separated):10, 12, 15, 18, 20Population Type:Sample (s, use

Mean, Median, Mode Calculator Measures of central tendency for data analysis Enter Data (comma-separated):12, 15, 18, 15, 20, 25Calculate Statistics

Percentage Change Calculator % Change = [(New – Old) / Old] × 100 Original Value:New Value:Calculate % Change Results Percentage

Arithmetic & Geometric Sequences Find any term and sum of sequences Sequence Type:Arithmetic (aₙ = a₁ + (n-1)d)Geometric (aₙ =

Quadratic Formula Solver x = [-b ± √(b²-4ac)] / 2a Coefficient a:Coefficient b:Coefficient c:Solve Solutions Discriminant Δ = b² –

Circle Equations & Properties Standard form: (x-h)² + (y-k)² = r² Center (h, k): Radius r:Generate Equation Equations Standard Form:

Harmonic Series: H(n) = Σ 1/k Sum of 1/1 + 1/2 + 1/3 + … + 1/n Calculate up to

Compound Interest Calculator A = P(1 + r/n)^(nt) Principal Amount P (₹):Annual Rate r (%):Time t (years):Compounds per Year n:Annually

Fibonacci Sequence Generator F(n) = F(n-1) + F(n-2), where F(1)=1, F(2)=1 Calculate First n Terms:Generate Series Fibonacci Series Sum of

GCD & LCM Calculator Find GCD(a,b) and LCM(a,b) using the Euclidean algorithm First Number:Second Number:Calculate GCD & LCM Results GCD(a,b)