90% Confidence Limit Calculator Calculate the 90% confidence interval for your sample mean Sample Mean Sample Standard Deviation Sample Size (n) Calculate Reset Calculating confidence interval… 90% Confidence Interval Margin of Error – Lower Limit – Upper Limit – Z Value – Summary Sample Mean: Std Dev: Sample Size: Formula Used CI: mean ± Z … Read more
Standard Form Linear Equation Calculator Find the standard form Ax + By = C and other forms of a line from two points or slope/intercept. Input Type Two PointsSlope & Intercept First Point (x₁, y₁) Second Point (x₂, y₂) Slope (m) Y-Intercept (b) Calculate Reset Calculating standard form… Linear Equation Results Standard Form – Slope-Intercept … Read more
Simplify Radicals Calculator Enter a radical expression and get its simplified form and decimal value. Radicand (number under the root) Index (degree of root) Simplify Reset Simplifying radical… Simplified Radical Simplified Form – Decimal Value – Original Expression – Perfect Power Factor – Summary Radicand: Index: How It Works 1. Find largest perfect power factor. … Read more
Second Derivative Calculator Calculate the second derivative of any function and evaluate at a given point. Function f(x) Examples: x^2, x^3 – 3*x^2, sin(x), cos(x), e^x, ln(x) Evaluate at x = (optional) Decimal Places 2345 Calculate Reset Calculating second derivative… Second Derivative Results First Derivative – Second Derivative – Evaluated Value – Concavity – Summary … Read more
Phenotypic Age Calculator Estimate your biological age based on key blood biomarkers. Chronological Age (years) Albumin (g/dL) Creatinine (mg/dL) Glucose (mg/dL) Lymphocyte Percentage (%) Mean Cell Volume (fL) Red Cell Distribution Width (%) Alkaline Phosphatase (U/L) White Blood Cell Count (1000 cells/uL) Calculate Reset Calculating phenotypic age… Phenotypic Age Results Phenotypic Age – Age Difference … Read more
Percentages Calculator Calculate percentage values, percentage changes, and find what percent one number is of another. Calculation Type What is X% of Y?Percent Change (from X to Y)What percent is X of Y?Increase Y by X%Decrease Y by X% Number X Number Y Calculate Reset Calculating percentage… Percentages Results Result – Formula – Summary Calculation … Read more
Percentage Decline Calculator Calculate the percentage decrease between two values and see useful details. Initial Value Final Value Calculate Reset Calculating percentage decline… Decline Results Decline Amount – Decline (%) – Final Value – Initial Value – Summary Initial Value: Final Value: Decline Amount: Decline Percentage: Useful Notes Formula: ((Initial – Final) / Initial) × … Read more
Matrix Determinant Calculator Calculate the determinant of any square matrix (2×2 through 5×5) Matrix size 2 x 23 x 34 x 45 x 5 Calculate Reset Computing determinant… Determinant Result Determinant – Matrix Size – Summary Entered matrix: Determinant formula: Properties: Copy Results Share Results Matrices are essential in mathematics, engineering, and computer science. Whether … Read more
Maclaurin Series Calculator Find Maclaurin (Taylor at x=0) expansion for a function up to N terms. Function f(x) Examples: sin(x), cos(x), e^x, ln(1+x), x^3 + 2*x Number of terms (N) Evaluate at x = Calculate Reset Calculating Maclaurin expansion… Maclaurin Series Result Series Expansion (up to N terms) Series at x = 1 – Exact … Read more
Integral of Convergence Calculator Test convergence/divergence of improper integrals and get the computed value (if convergent). Integrand function f(x) Use x as variable. Examples: 1/x^2, exp(-x), sin(x)/x, ln(x)/x^2 Lower limit Upper limit Calculation Precision 2 decimal places3 decimal places4 decimal places Calculate Reset Testing convergence and calculating integral… Integral Results Convergence – Integral Value – … Read more
Growth Percentage Calculator Calculate growth percentages and compare values over time. Initial Value Final Value Number of periods (months, years, etc.) Calculate Reset Calculating growth… Growth Results Total Growth (%) – Absolute Growth – Average Growth/Period (%) – Compound Growth Rate (%) – Summary Initial Value: Final Value: Periods: Formulas Used Total Growth %: ((Final … Read more
Fraction to Percent Calculator Convert any fraction to percentage easily and quickly Numerator Denominator Calculate Reset Converting fraction to percent… Conversion Results Fraction – Decimal Value – Percent – Reduced Fraction – Summary Numerator: Denominator: Calculation: Formula Convert to percent: (Numerator / Denominator) × 100 Copy Results Share Results Understanding fractions and percentages is essential … Read more
Fantasy Draft Pick Trade Calculator Analyze the fairness and value of your fantasy draft pick trades! Your picks (Team A) e.g. 1,5,8 Other picks (Team B) e.g. 3,7,15 Draft Type StandardDynastyCustom Value Custom Pick Values CSV, e.g. 100,90,80,… Calculate Reset Calculating trade values… Trade Analysis Results Team A Value – Team B Value – Difference … Read more
Factoring Polynomials Calculator Factor your polynomial (up to degree 4), get roots, quadratic/cubic/Quartic steps, and more! Enter polynomial Examples: x^2+5x+6, x^3-2x^2-5x+6, x^4-1 Variable (default: x) Factor Polynomial Reset Factoring polynomial… Factoring Results Factored Form – Roots – Input Summary Polynomial: Variable: Degree: Factoring Steps Copy Results Share Results Polynomial factorization can often feel intimidating, especially … Read more
Exponential Function Calculator Calculate exponential functions, their values, growth, and useful properties Base (b) Exponent (x) Function Type b^xGrowth: y = a * b^xDecay: y = a * b^-x Initial Value (a) Calculate Reset Calculating exponential function… Results Function Value – Inverse Value – Natural Log (ln) – Log10 – Summary Base (b): Exponent (x): … Read more
Exponential Calculator Solve exponentials, powers, and related formulas instantly. Base (a) Exponent (n) Expression Type ana-na1/n (n-th root of a)en (Euler’s number) Decimal Places 246 Calculate Reset Calculating exponential… Exponential Results Expression – Result – Inverse (1/result) – Logarithm loga(result) – Summary Base (a): Exponent (n): Type: Formulas Used Power: an Negative Power: a-n = … Read more
Equivalent Fractions Calculator Find equivalent fractions and scale your fraction to any denominator! Numerator Denominator Scale to denominator (optional) How many equivalent fractions to show? Calculate Reset Finding equivalent fractions… Equivalent Fractions Original Fraction – Decimal Value – Scaled Fraction – Simplest Form – Equivalent Fractions List Formulas Used Equivalent Fraction: (n × k)/(d × … Read more
Empirical Rule Calculator See the percentage of data within 1, 2, and 3 standard deviations of the mean Mean (μ) Standard deviation (σ) Lower bound (optional) Upper bound (optional) Calculate Reset Calculating ranges… Empirical Rule Results 1 SD Range – 2 SD Range – % within 1 SD – % within 2 SD – 3 … Read more
Average Percentage Calculator Find the average percentage (with and without weights) for your results or marks! Enter values and totals (add more rows as needed) × × + Add Row Calculate Reset Calculating averages… Average Percentage Results Simple Average (%) – Weighted Average (%) – Total Value – Total Out Of – How Calculated Simple … Read more
Augmented Matrix Calculator Input your system of equations as an augmented matrix. Calculates row echelon form and solutions. Rows 234 Columns 2+1 (2 variables)3+1 (3 variables)4+1 (4 variables) Calculate Reset Performing row operations… Matrix Solution Input Matrix Row Echelon Form Solution Copy Results Share Results The Augmented Matrix Calculator is a powerful online tool designed … Read more
Engaging Data FIRE Calculator Estimate your path to Financial Independence & Early Retirement (FIRE) and see your future! Current Age Desired Retirement Age Annual Spending $ Current Savings $ Annual Savings Amount $ Expected Annual Investment Return (%) Withdrawal Rate (%) Calculate Reset Calculating your FIRE date… Your FIRE Analysis FIRE Target – Years Until … Read more
Parlay Combination Calculator Calculate total odds, payout, and profit for your parlay bets with multiple legs. Bet Amount $ Parlay Legs (Decimal, Fractional, or American odds) + Add Leg Calculate Reset Calculating your parlay… Parlay Results Total Odds (Decimal) – Potential Payout – Potential Profit – Number of Legs – Bet Summary Copy Results Share … Read more
Decimal To Floating Point Calculator Convert any decimal number to IEEE 754 floating point (single/double) format, see all steps and bits! Decimal Number Floating Point Format IEEE 754 Single Precision (32-bit)IEEE 754 Double Precision (64-bit) Calculate Reset Converting to floating point… Floating Point Representation Sign Bit – Exponent – Mantissa – Full Binary – Details … Read more
Dave Ramsey Budget Percentages Calculator See recommended budget breakdowns and customize your plan! Monthly Take-Home Income $ Calculate Reset Calculating your personalized budget… Recommended Budget Breakdown Category % of Income Amount Summary Total Income: Total Budgeted: Leftover / Overbudget: Tips Adjust: Customize categories to fit your needs! Save: Include emergency fund & retirement! Copy Results … Read more
Win Loss Percentage Calculator Number of Wins: Number of Losses: Calculate Reset Calculating… Win/Loss Percentage Result Copy Results Share Results In sports, business, and gaming, success is often measured by the ability to win more than you lose. But calculating your exact win/loss percentage can be tricky, especially when dealing with multiple games, projects, or … Read more
Trigonometry In Calculator Enter Angle: Angle Unit: Degrees (°)Radians (rad) Calculate Reset Calculating… Trigonometric Values Function Value All values rounded to 6 decimal places. Note: Undefined values (like tan(90°)) display as “undefined”. Copy Results Share Results Trigonometry is a fundamental part of mathematics used in geometry, physics, architecture, and engineering. Yet, manually calculating trigonometric values … Read more
Tipping Calculator Bill Amount ($): Tip Percentage (%): Number of People: Calculate Reset Calculating… Tip Calculation Results Bill Amount: Tip Percentage: Tip Amount: Total Amount: Number of People: Amount Per Person: Copy Results Share Results After enjoying a meal at a restaurant or ordering drinks with friends, one common challenge arises: How much should we … Read more
Tangent Vector Calculator Enter a vector-valued function (in terms of t, e.g., x(t)=t^2, y(t)=sin(t), z(t)=3t): At t = Calculate Reset Computing tangent vector… Tangent Vector Result Steps Copy Results Share Results In mathematics, particularly in calculus and vector analysis, tangent vectors are essential for understanding the direction of motion along a curve. Whether you’re a … Read more
Tarot Combination Calculator Choose Tarot Cards: Add Card Calculate Reset Interpreting combination… Tarot Combination Meaning Copy Results Share Results Tarot readings are powerful tools for self-reflection, guidance, and spiritual clarity. While single-card pulls provide meaningful insights, the true magic often lies in card combinations. When two or more cards appear together, they create layered interpretations … Read more
Simplify Square Root Calculator Enter a positive integer: Simplify Reset Simplifying… Simplified Square Root Steps to Simplify Copy Results Share Results Square roots are an essential part of algebra, geometry, and advanced mathematics, but simplifying them manually can be tricky. The Simplify Square Root Calculator makes this process fast, accurate, and easy to understand. Instead … Read more