Test Type: One Sample Z-Test Two Sample Z-Test Proportion Z-Test One Sample Z-Test Parameters: Sample Mean (x̄): Population Mean (μ₀): Population Standard Deviation (σ): Sample Size (n): Two Sample Z-Test Parameters: Sample 1: Sample 1 Mean (x̄₁): Sample 1 Std Dev (σ₁): Sample 1 Size (n₁): Sample 2: Sample 2 Mean (x̄₂): Sample 2 Std…
Discrete Function f[n]: Parameter ‘a’ (for exponential functions): Shift Parameter n₀ (for shifted functions): Common Functions: Unit Step u[n] Impulse δ[n] a^n·u[n] n·u[n] cos(ωn)·u[n] sin(ωn)·u[n] Calculate Reset Z-Transform F(z): Copy Region of Convergence (ROC): Copy Poles: Copy Zeros: Copy Z-Transform Definition: F(z) = Σ f[n]z⁻ⁿ (n = -∞ to ∞) Common Z-Transforms: δ[n] ↔ 1…
Dividend (a + bi) Real Part (a): Imaginary Part (b): Divisor (c + di) Real Part (c): Imaginary Part (d): Calculate Reset Result (Real + Imaginary i): Copy Real Part: Copy Imaginary Part: Copy Formula: (a + bi) ÷ (c + di) = [(ac + bd) + (bc – ad)i] ÷ (c² + d²) Working…
Decimal Number: Octal Number: Calculate Reset Decimal Result: Copy Octal Result: Copy The Base 8 Calculator, also known as the Octal Calculator, is a powerful online tool that allows users to convert numbers to and from base 8, perform octal arithmetic, and understand the relationship between octal, binary, decimal, and hexadecimal systems. Whether you’re a…
The Gram-Schmidt Orthonormalization Calculator is a powerful tool designed to simplify one of the most fundamental procedures in linear algebra — the Gram-Schmidt process. This mathematical technique takes a set of linearly independent vectors and converts them into an orthonormal set. If you’ve ever needed to find an orthonormal basis from a group of vectors,…
Divisibility is a key concept in mathematics that helps us determine whether one number can be divided by another without leaving a remainder. The Divisibility Rules Calculator simplifies this process by instantly checking divisibility and explaining the rule used for each divisor. Whether you’re a student learning number properties or someone solving arithmetic or coding…
Fractions are a fundamental part of mathematics, and understanding how to decompose them into simpler unit fractions can be highly valuable in number theory, algebra, and education. The Fractional Decomposition Calculator is a powerful and user-friendly online tool designed to break down any given fraction into a sum of unique unit fractions, also known as…
SENS Calculator — Sensitivity & Specificity SENS Calculator Compute sensitivity (SENS), specificity, PPV, NPV, accuracy and prevalence from True/False Positives & Negatives. True Positives (TP) False Positives (FP) False Negatives (FN) True Negatives (TN) Calculate Reset Fill Example Sensitivity (SENS) TP / (TP + FN) 0.00% Copy Specificity TN / (TN + FP) 0.00% Copy…
4 APY Calculator 4 APY Calculator Initial Deposit ($) Monthly Deposit ($) APY (%) Years Calculate Reset Total Balance: $0.00 Copy Total Interest Earned: $0.00 Copy Total Contributions: $0.00 Copy If you’re earning 4% Annual Percentage Yield (APY) on your savings or investment, you might wonder how much your money can grow over time. That’s…
5 APY Calculator 5 APY Calculator Initial Deposit ($) Monthly Deposit ($) APY (%) Years Calculate Reset Total Balance: $0.00 Copy Total Interest Earned: $0.00 Copy Total Contributions: $0.00 Copy If you’re looking for a simple way to see how much your money can grow with a 5% Annual Percentage Yield (APY), the 5 APY…