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1822 apps · Showing 1441–1536

Data & Calculators

1822 apps

Data & Calculators: Planning & Productivity

Project / CSV · ConvertPersonal Kanban BoardGive every task a place. Move cards between columns, add checklists and keep your board on your device.Project / CSV · ConvertRenovation Timeline PlannerLay out renovation phases, trades and milestones in one clear, printable timeline.Layout / JSON / HTML · ConvertStudy Dashboard BuilderGive your study day a little structure. Arrange focus timers, notes and assignment panels in a private, saved workspace.

Data & Calculators: Probability Distributions

Numbers · GenerateBernoulli Probability Table MakerShow the chance of failure and success for one trial.Numbers · GenerateBinomial Probability Table MakerMake the probability for every success count in repeated yes-or-no trials.Numbers · CalculateGamma Function CalculatorCalculate the gamma function for a positive number.Numbers · CalculateGaussian Error Function CalculatorFind the Gaussian error function for a chosen finite number.Numbers · CalculateInverse Error Function CalculatorFind the value whose Gaussian error function equals your input.Numbers · CalculateLog Gamma Function CalculatorFind the natural logarithm of the gamma function for a positive number.Numbers · GeneratePoisson Probability Table MakerMake a probability table for event counts around an average rate.Numbers · CalculateProbability Log-Odds CalculatorConvert a probability between 0 and 1 into its log-odds value.Numbers · CalculateStandard Logistic Cumulative ProbabilityFind the standard logistic probability at or below a chosen score.Numbers · CalculateStandard Normal Cumulative ProbabilityFind the standard normal probability at or below a chosen z-score.Numbers · CalculateStandard Normal Probit FinderFind the z-score with a chosen share of the standard normal curve to its left.
Numbers · CalculateLinear Regression R-Squared CheckerFit a straight line and show the share of y variation explained by it.Numbers · CalculateLinear Regression Residual ReportCompare each observed y value with the straight line’s estimate.Numbers · CalculateLinear Regression Value PredictorFit paired values, then use the line to estimate y at a chosen x.Numbers · CalculateNumber List Linear Regression LineFit a straight line through paired x and y values and show its slope and start.Numbers · GeneratePaired Sample Covariance FinderMeasure whether two paired samples tend to move in the same direction.Numbers · CalculatePearson Number Correlation FinderSee how strongly two paired number lists move together in a straight pattern.Numbers · CalculateSpearman Rank Correlation FinderMeasure whether paired values rise and fall in a similar rank order.

Data & Calculators: Reports & Data

PNG · AnalyzePivot Table ExplorerOpen a CSV, choose rows, columns, and a value to total, and explore a pivot table without a spreadsheet app.PNG · AnalyzeSurvey Results AnalyzerOpen a survey CSV. See a chart for every question, an NPS score, and the mood of written comments.

Data & Calculators: Scientific Data

JSON · ConvertGraph Algorithm WorkbenchExplore a network's connections and groups. Count links and find the path with the fewest steps between two nodes.CSV / Filter coefficients · ConvertSignal Filter DesignerDesign a digital Butterworth filter. Choose frequencies to keep or reduce, preview its response and download the filter settings.CSV · ConvertTime-Series ResamplerGroup timestamped CSV measurements by hour, day, week or month. Choose how to summarize the values and download the result.

Data & Calculators: Scientific File Services

SDF / MOL / SMILES / ZIP · ConvertChemical File ConverterConvert chemical structures between SDF, MOL and SMILES. Preview molecules, check errors and download the converted files.GeoTIFF / JSON / PNG · ConvertGeoTIFF InspectorLook inside a GeoTIFF map image. See its image bands, map coordinates and sample values, with an adjustable preview.GeoTIFF · ConvertRaster Crop ServiceCrop a GeoTIFF to a rectangle or polygon. Keep the map's coordinate grid and download the cropped image.

Data & Calculators: Sports Calculators

Calculator · CalculateBaseball On-Base Rate from Batting TotalsCalculate OBP from hits, walks, hit-by-pitches, at-bats and sacrifice flies, with valid zero counts and reversible relationships.Calculator · CalculateBaseball Slugging: Total Bases per At-BatCompute slugging from singles, doubles, triples, home runs and at-bats, including no-hit records and the four-base maximum.Calculator · CalculateBasketball Shot Counts and Effective FGCalculate effective field-goal percentage, two- and three-point accuracy, made shots, attempts and field-goal points from consistent basketball counts.Calculator · CalculateBasketball True Shooting from Points & AttemptsCalculate true shooting percentage using the conventional 0.44 free-throw weighting, including zero free-throw attempts and values above 100%.Calculator · CalculateBicycle Gearing and Cadence SpeedEstimate rolling speed from rim diameter, tire height, tooth counts and cadence, or solve a missing gearing quantity.Calculator · CalculateCricket Batting Strike Rate per 100 BallsCalculate batting strike rate from runs and balls faced, including zero-run innings and selectable format commentary.Calculator · CalculateCricket Bowling Average: Runs per WicketCalculate bowling average from runs conceded and wickets credited, including zero-run performances and reversible totals.Calculator · CalculateDisplacement Hull Wave Speed from Waterline LengthEstimate the conventional displacement-hull wave speed from loaded waterline length, using five length and five speed units with reverse entry.Calculator · CalculateE-Bike Battery Range at Three Consumption RatesEstimate battery-only range from watt-hour capacity using explicit 14, 20 or 26 Wh-per-mile consumption assumptions.Calculator · CalculateERA from Whole Innings and Extra OutsCalculate earned-run average with separate whole innings and extra outs, plus an adjustable game length for nine- or seven-inning normalization.Calculator · CalculateFielding Percentage from Putouts, Assists & ErrorsCalculate the fielding fraction from recorded putouts, assists and errors, with reversible inputs and a guard against zero chances.Calculator · CalculateFishing Reel Line Length by Diameter RatioEstimate reel line capacity after a diameter change using equal line volume, with reversible length and diameter conversions.Calculator · CalculateGoalkeeper Save Percentage & Decimal IndexCalculate the share of shots on goal saved, displaying both a percentage and decimal index with consistent count validation.Calculator · CalculateGoalkeeper Save Rates & Goals Against AverageCalculate individual and aggregate save rates as percentages or decimal indices, plus time-adjusted goals against average, including zero saves and shutouts.Calculator · CalculateGoals Against Average per Regulation GameScale total goals allowed by minutes played to a chosen regulation-game length, including shutouts and partial games.Calculator · CalculateRace Finish-Time Percentage Reduction TargetsTurn a current race time into 1–10% reduction targets and a custom percentage target, preserving hours, minutes and seconds.Calculator · CalculateRowing 500 m Split, Time and PowerConvert rowing distance and time into a 500 m split and Concept2-style watts, with reverse calculations and mixed time units.Calculator · CalculateRunning Race-Time Estimate with a 1.06 ExponentProject a race time from a known distance and finish time using the explicit distance-ratio power model, with selectable distance and duration units.Calculator · CalculateTeam Winning Percentage with Adjustable Tie CreditCalculate a team’s winning percentage from wins, losses and ties, with explicit tie credit and reversible game totals.Calculator · CalculateWingspan-to-Height Ratio & Reach DifferenceCompare measured wingspan with height as both a unitless ratio and a signed length difference, using mixed measurement units.

Data & Calculators: Spread & Shape

Numbers · CalculateCoefficient of Variation FinderShow standard deviation as a share of the mean.Numbers · CalculatePower Deviation Sum FinderFind the sum of each value’s distance from the mean raised to a chosen power.Numbers · GenerateSample Kurtosis FinderMeasure the excess kurtosis of a sample number list.Numbers · GenerateSample Skewness FinderMeasure whether a sample has a longer tail on the left or right.Numbers · CalculateSingle Value Z-Score FinderSee how many standard deviations one value sits above or below a list mean.Numbers · GenerateZ-Score List StandardizerTurn every value into its number of standard deviations from the mean.

Data & Calculators: Statistics Calculators

Calculator · CalculateAbsolute & Relative Error from a Reference ValueMeasure the magnitude of a value’s deviation from a nonzero reference, including negative reference values.Calculator · CalculateAbsolute & Relative Uncertainty ConversionConvert an uncertainty magnitude to a relative percentage, or convert a percentage to uncertainty in the measurement’s units.Calculator · CalculateBayes’ Rule for Consistent Event ProbabilitiesCalculate a conditional probability from two event probabilities and the reverse conditional, with checks for a feasible joint distribution.Calculator · CalculateBonferroni & Šidák Per-Test Significance ThresholdsConvert a chosen family-wide significance level to a per-test threshold using Bonferroni or Šidák.Calculator · CalculateCompare Combination Counts with and without ReplacementCompare unordered selection counts with and without reuse of each object type, with a selectable small-example list.Calculator · CalculateCompare Ordered & Unordered Selection CountsCompare permutation counts with and without replacement, optionally show combination counts, and select a small-example list.Calculator · CalculateDegrees of Freedom for t, Chi-Square, ANOVA & WelchCalculate degrees of freedom for one-sample, pooled two-sample, Welch, contingency-table and one-way ANOVA designs.Calculator · CalculateDirect Proportion Constant & ValuesFind the constant k in y = kx, or recover a compatible value for a relationship through the origin.Calculator · CalculateExponential Waiting-Time Probabilities & MomentsCalculate exponential survival and cumulative probabilities, mean, median, variance and standard deviation from a constant event rate.Calculator · CalculateFalse-Positive Rate & Population SharesSeparate a classifier’s false-positive rate from false-positive and true-negative shares of the whole population.Calculator · CalculateFive-Star Rating from Vote CountsCalculate a one-to-five-star arithmetic average from the number of ratings at each level.Calculator · CalculateGeometric Distribution: Failures Before First SuccessFind the probability of exactly k failures before the first success, with the mean and spread of the failure count.Calculator · CalculateMean ± Sigma: Upper & Lower Control LimitsCalculate symmetric limits around a supplied mean using a nonnegative standard deviation and sigma multiplier.Calculator · CalculateOne-Sample t Statistic from Summary DataCalculate a one-sample t statistic from a sample mean, hypothesized mean, sample standard deviation and sample size.Calculator · CalculateOrdered Selections without Replacement: Count & ListCount ordered arrangements of r distinct objects chosen from n and list complete small examples.Calculator · CalculateOrdered Sequences with Replacement: Count & ListCount ordered length-r sequences from n reusable types and enumerate supported small examples.Calculator · CalculatePearson Chi-Square: One Cell’s ContributionCalculate one observed-versus-expected count’s contribution to a Pearson chi-square statistic, with explicit inverse branches.Calculator · CalculateProbability-Weighted Loss ComparisonCompare the expected monetary loss of two events from each event’s probability and loss amount.Calculator · CalculateProcess Capability: Cp, Cpk, Cpm & Target AdjustmentCalculate specification-width, centering and target-adjusted capability indices from a supplied process mean and positive standard deviation.Calculator · CalculateRaw Score & Z-Score StandardizationConvert between a raw value and its signed standard-deviation distance from a supplied mean.Calculator · CalculateRelative Standard Deviation Using Absolute MeanExpress a nonnegative standard deviation as a percentage of the magnitude of a nonzero mean.Calculator · CalculateRelative Standard Error as a Percentage of the MeanCompare a supplied standard error with the magnitude of a nonzero mean, retaining a nonnegative relative percentage.Calculator · CalculateSample Proportion from Successes & TrialsCalculate the observed success fraction p-hat from counts, or recover a compatible whole-number count.Calculator · CalculateSample-Mean Expectation & Standard ErrorFind the expected sample mean and its standard error for independent observations with a common finite mean and variance.Calculator · CalculateStandard Deviation Index Against a Consensus MeanExpress the difference between a laboratory mean and a consensus mean in units of the consensus-group standard deviation.Calculator · CalculateStandard Error of the Mean from SD & Sample SizeCalculate the standard deviation of a sample mean from an entered standard deviation and the number of independent observations.Calculator · CalculateThree Independent Events: All, Any, One or NoneCombine three mutually independent event probabilities to find all three, at least one, exactly one and no-event chances.Calculator · CalculateUnordered Selections with Replacement: Count & ListCount multisets of r choices from n distinct types and display the full list for small examples.Calculator · CalculateUnordered Selections without Replacement: Count & ListCount r-object subsets of n distinct objects and display complete small-example lists.Calculator · CalculateUnrounded Equal-Class WidthDivide a numerical range into equal-width classes, retaining the unrounded width and compatible inverse values.Calculator · CalculateVariance Ratio & Nested Regression F StatisticCompute a two-variance ratio or the residual-sum-of-squares F statistic for restricted and unrestricted nested regression models.

Data & Calculators: Summary Updates

Numbers · CalculateActual vs Expected Relative ErrorShow the absolute error as a share of the expected value.Numbers · CalculateAdd Value to Known MeanUpdate a known mean after one new value is added.Numbers · CalculateRemove Value from Known MeanUpdate a known mean after one value is removed from a list.Numbers · CalculateTwo-Group Combined MeanFind one mean from two group means and their group sizes, without the raw lists.Numbers · CalculateTwo-Group Combined VarianceFind one population variance from two group means, variances, and sizes.

Data & Calculators: Tables & Data

CSV / JSON / ZIP · ConvertEditable Data TableOpen CSV or JSON as an editable table. Keep exact text, change individual cell types, filter rows and save your work privately.CSV / JSON / ZIP · ConvertRecord Review QueueReview a table row by row, flag problems, attach notes and export accepted, rejected and pending records without uploading your data.

Data & Calculators: Tests & Evidence

Numbers · GenerateOne-Sample T-Score CalculatorCalculate the t statistic for a sample against an expected mean.Numbers · TestPoisson Chi-Square Fit CheckerTest whether a large list of non-negative event counts departs from a fitted Poisson distribution.Numbers · TestTwo-Group Permutation P-ValueEstimate a p-value by repeatedly reshuffling two groups with a repeatable seed.