Age (years) Gender MaleFemale Serum Creatinine (mg/dL) Race Non-BlackBlack/African American Calculate Reset eGFR: CKD Stage: The CKD-EPI Calculator is a medical estimation tool used to assess kidney function by calculating the estimated Glomerular Filtration Rate (eGFR). This value helps determine how well the kidneys are filtering waste from the blood. The CKD-EPI formula is one…

First Fraction / Operation Addition (+)Subtraction (−)Multiplication (×)Division (÷) Second Fraction / Calculate Reset Result: Fractions are an essential part of mathematics, used in everyday calculations, education, and various professional fields. However, performing operations with fractions can often be confusing and time-consuming. The Fraction Calculator is designed to simplify these calculations and provide accurate results…

Number of Series Resistors: Number of Parallel Resistors: Calculate Reset Series Resistance: Parallel Resistance: Total Resistance: A Series Parallel Resistor Calculator is an advanced electronics tool used to calculate the total equivalent resistance of circuits that contain both series and parallel resistor combinations. These mixed circuits are very common in real-world electronics, electrical systems, and…

Series Resistors (Ω) – Comma separated Parallel Resistors (Ω) – Comma separated Voltage (V) – Optional Calculate Reset Series Resistance: Parallel Resistance: Total Resistance: Total Current: Power Dissipated: Electrical circuits are not always simple series or parallel arrangements. In real-world systems, many circuits combine both layouts together. That is where a Combination Circuit Calculator becomes…

Function Type ln(x)a·ln(x)ln(ax + b)ln(x^n)ln(f(x)/g(x))ln(f(x)·g(x))ln(f(x)) Coefficient (a) Constant (b) Power (n) Inner Function f(x) Calculate Reset Original Function: Derivative: Formula Applied: Step-by-Step: The Ln Derivative Calculator is an advanced mathematical tool designed to compute the derivative of natural logarithmic functions quickly and accurately. In calculus, the natural logarithm (ln) plays a major role in exponential…

Select Formula Type Power Rule: x^nProduct Rule: f(x)·g(x)Quotient Rule: f(x)/g(x)Chain Rule: f(g(x))Constant RuleSum Rule: f(x) + g(x) Power (n) Coefficient (optional) Calculate Reset Formula: Applied to your function: Result: The Derivative Formula Calculator is a powerful online tool designed to help students, teachers, engineers, and researchers quickly compute derivatives of mathematical functions without manual step-by-step…

Enter Function (e.g., x^3 + 2x^2 – 5x + 1) Function Type PolynomialExponential (e^x, a^x)Logarithmic (ln, log)TrigonometricRational (fraction)Composite/Chain Rule Order of Differentiation First DerivativeSecond DerivativeThird Derivative Calculate Reset Original Function: Derivative Result: The Complex Derivative Calculator is a powerful mathematical tool designed to compute derivatives of complex-valued functions efficiently and accurately. In advanced mathematics, especially…

Select Trigonometric Function sin(x)cos(x)tan(x)cot(x)sec(x)csc(x)arcsin(x)arccos(x)arctan(x) Inner Function (optional, e.g., “2x”, “3x+1”) Coefficient (multiply entire function) Calculate Reset Original Function: Derivative: A Trig Derivatives Calculator is an advanced online mathematical tool designed to help students, engineers, and professionals quickly compute derivatives of trigonometric functions such as sine (sin), cosine (cos), tangent (tan), cotangent (cot), secant (sec), and…

Function f(x) Point a (where to find derivative) h value (step size) Method Forward DifferenceBackward DifferenceCentral DifferenceLimit Definition Calculate Reset Limit Definition: Numerical Approximation: Exact (Analytical) Result: A Limit Derivative Calculator is an advanced mathematical tool used to compute the derivative of a function using the first principle of differentiation, also known as the limit…

Select Logarithm Type Natural Log – ln(x)Common Log – log₁₀(x)Custom Base Base (a) Inner Function u(x) Evaluate at x = (Optional) Calculate Reset Result: A Log Derivative Calculator is a specialized mathematical tool designed to compute the derivative of a function using logarithmic differentiation techniques. This method is particularly useful when dealing with complex expressions…