Calculator

Snow Day Calculator Find out your chances of having a snow day based on current weather conditions Your Location (ZIP Code or City, State): Expected Snowfall (inches): Current Temperature (°F): Wind Speed (mph): School District Type: UrbanSuburbanRural Calculate Snow Day Chance Your Snow Day Prediction 0% Key Factors: How the Snow Day Calculator Works Our … Read more

Scientific Notation Calculator Convert numbers to/from scientific notation and perform calculations while maintaining proper scientific format. Notation Converter Scientific Calculator Examples & Rules Standard to Scientific Scientific to Standard Enter Number: Convert Conversion Result Input: Result: Normalized Form: +–×÷^ (power) Calculate Calculation Result Expression: Exact Value: Scientific Notation: Normalized Form: Scientific Notation Rules Format Scientific … Read more

Significant Figures Calculator Calculate and count significant figures (sig figs) in numbers. Perform arithmetic operations while maintaining proper significant figures. Sig Fig Counter Sig Fig Calculator Sig Fig Rules Enter a number: Count Significant Figures Results Number Entered: Significant Figures: Scientific Notation: +–×÷ Calculate Results Calculation: Exact Result: Rounded to Correct Sig Figs: Significant Figures … Read more

High-Low Method Calculator Calculate variable and fixed costs using the high-low method by entering your cost and activity data below. Input Data Period Activity Level (Units) Total Cost ($) 1 × 2 × + Add Another Period Calculate High-Low Method Results High Point: Low Point: Variable Cost per Unit: Fixed Cost: Cost Equation: About the … Read more

Sales Tax Calculator Calculate the total cost of an item including sales tax. Enter the item price and tax rate below. Item Price ($): Sales Tax Rate (%): Calculate Total Reset Results Original Price: $0.00 Sales Tax Amount: $0.00 Total Price: $0.00 How to Use This Sales Tax Calculator Enter the price of the item … Read more

Logarithm Calculator Calculate logarithms, natural logs (ln), and antilogarithms with different bases. Enter your values and select the calculation type. Calculation Type: Logarithm (logₐx)Natural Logarithm (ln)Antilogarithm (aˣ)Change of Base (logₐb) Base (a): Number (x): Number (x): Base (a): Exponent (x): Original Base (a): New Base (b): Number (x): Calculate Results Calculation: – Result: – Formula … Read more

Test Grade Calculator Calculate your test grade, percentage score, or determine what score you need on a final exam. Select your calculation type and enter the required values. Calculation Type: Calculate Grade from PointsCalculate Grade from PercentageCalculate Final Exam Score Needed Points Earned: Points Possible: Percentage Score (%): Current Grade (%): Final Exam Weight (%): … Read more

Confidence Interval Calculator Calculate confidence intervals for population means or proportions. Enter your data and select the appropriate options to compute the interval. Data Type: Sample MeanSample Proportion Sample Mean (x̄): Standard Deviation (σ or s): Sample Size (n): Sample Proportion (p̂): Sample Size (n): Confidence Level: 90%95%99%Custom Custom Confidence Level (%): Population standard deviation … Read more

P-Value Calculator Use this calculator to compute the p-value for a given z-score, t-score, F-score, or chi-square score. Select the appropriate test type and enter your score and degrees of freedom (if required). Test Type: Z-test (Normal Distribution)T-test (Student’s T Distribution)F-test (F Distribution)Chi-square test (χ² Distribution) Score: Degrees of Freedom 1 (df1): Degrees of Freedom … Read more

HHI Calculator Calculate the Herfindahl-Hirschman Index to measure market concentration Market Share Input + Add Firm × × Total Market Share: 0% Calculate HHI Market Concentration Results 0 HHI Score – Market Concentration – Equivalent Equal-Sized Firms HHI Interpretation Enter market shares to calculate HHI and see market concentration analysis. Market Share Distribution No data … Read more