All tools — Page 12
969 useful tools. Browse a category or search the full toolkit.
Deterministic Numeric K-means Workbench
Cluster a small numeric matrix with deterministic seeds, explicit scaling and a checked nonincreasing squared-distance objective.
MathUncensored Weibull Lifetime Fit
Fit a zero-location two-parameter Weibull model to uncensored positive lifetimes with a bounded likelihood-root witness.
CalculatorsInventory Usage ABC Review
Rank supplied item usage values and retain a visible cumulative boundary witness for each ABC class.
CalculatorsPerpetual Inventory Cost Ledger
Walk receipt and issue events through exact FIFO layers or a moving-average inventory balance.
CalculatorsSingle-item Time-phased Material Plan
Net dated-period demand against scheduled stock and offset explicit planned receipts into release periods.
CalculatorsFixed Sales Bundle Break-even Planner
Find whole repeating product bundles that cover fixed costs and a declared target profit.
CalculatorsDeclared Usage Plan Cost Comparator
Compare user-authored graduated usage tiers with exact per-tier charges and all cheapest-plan ties.
CalculatorsOEE Production Loss Breakdown
Reconcile planned time, downtime, ideal cycle time and good counts into an exact OEE loss breakdown.
CalculatorsBalanced Transportation Cost Planner
Allocate integer supply to integer demand over declared routes and return a checked minimum-cost shipment matrix.
CalculatorsPairwise Priority and Consistency Workbench
Convert a complete reciprocal comparison set into normalized priorities and a visible consistency index.
MathStudent t Mean Comparison Workbench
Compare a sample mean, paired differences or independent Welch means with explicit t-model uncertainty.
MathOne-way ANOVA Decomposition
Compare independent group means while retaining exact within/between sums of squares and an explicit F model.
MathExact Small-sample Rank Inference
Build conditional rank-sum or paired signed-rank distributions with exact tied midranks and explicit inclusive tails.
MathExhaustive Mean Permutation Comparison
Enumerate every small fixed-group label assignment and count exact inclusive mean-difference tails.
MathTwo-sample ECDF and Exact KS Review
Compare two empirical distribution steps and count the exact continuous-null two-sided KS tail for small untied samples.
MathObserved Probability Calibration Review
Audit supplied binary probabilities through exact Brier score, calibration bins, AUC and explicit zero-probability log penalties.
MathTwo-rater Agreement and Kappa Review
Separate observed agreement from marginal-chance agreement with exact unweighted or ordinal weighted Cohen kappa.
MathCommon-mix Stratified Rate Comparison
Compare two observed success rates after applying one explicit common stratum mix, retaining crude and standardized results.
MathMinimum Spanning Forest Workbench
Connect every reachable undirected component at minimum total edge weight while preserving isolated nodes and source-edge provenance.
MathDirected Graph Component and Condensation Review
Identify mutual-reachability components and return their acyclic dependency condensation with a checked topological order.
MathExact Weighted Voting Power Review
Enumerate winning coalitions and distinguish vote weights from exact Banzhaf and Shapley–Shubik pivotal power.
MathPrime-field Linear System Workbench
Solve a rectangular modular system and preserve inconsistent, unique and affine-family outcomes with exact solution witnesses.
MathExact Polynomial GCD and Square-free Review
Find a monic rational polynomial common factor or remove repeated factors through exact derivative and Euclidean division.
MathExact Convex Polygon Intersection
Intersect two strictly convex coordinate polygons and retain exact rational vertices, area and degenerate contact states.
MathPlanar Polyline Station and Projection Workbench
Locate supplied distances along an ordered planar route or project points onto its nearest finite segment.
MathExact Rectangle Union and Coverage Depth
Measure total covered area and overlap-depth areas from bounded axis-aligned rectangle layouts.
MathDeclared Reaction Stoichiometry Planner
Find exact limiting-reactant extent, theoretical excess and recoverable product mass from a declared reaction model.
MathIdeal Gas Mixture Composition Workbench
Reconcile mass or mole amounts into exact mixture fractions, Dalton partial pressures and an approximate SI ideal volume.
MathIdeal Two-stream Heat Exchanger Balance
Close a constant-capacity two-stream energy balance and inspect terminal approaches, stable LMTD and ideal UA.
DataCSV Priority Column Coalescer
Choose a first-present value across explicit source columns and retain its column provenance.
DataCSV Declared Codebook Recoder
Map exact source codes to an added value column and report every unknown code policy.
DataConsecutive CSV Run Segmenter
Summarize adjacent equal-key records into source-order runs with exact start/end record numbers.
DataCSV Group Text Aggregator
Join text values within exact key groups with stable order and explicit duplicate/empty policies.
DataCSV Nonoverlapping Interval Lookup
Attach an observed interval record to each numeric point under an explicit endpoint closure policy.
DataCSV Numeric Event Sessionizer
Annotate ordered events with per-group sessions using an exact numeric inactivity threshold.
DataMultirow CSV Header Flattener
Combine declared header levels into single field names with explicit blank-fill and collision policies.
DataKeyed JSON Record Reconciler
Apply explicit whole-record keyed upserts and deletions while preserving stable source order.
DataJSON Parent and Child Array Unnester
Create a relational CSV from one explicit child array while retaining parent/child record provenance.
DataObserved JSON Shape Drift Comparator
Compare empirical field presence and value kinds across two record collections without inventing a schema.
DataCSV Conditional Record Rule Auditor
Check explicit per-record IF/THEN field rules with exact string or decimal comparisons and bounded witnesses.
DataDNA FASTA Sequence Workbench
Inspect local DNA FASTA records, reverse-complement IUPAC symbols, or translate literal standard-code triplets.
DataBounded FASTQ Quality Profiler
Measure a declared four-line Phred+33 DNA FASTQ profile without guessing encoding or changing bases.
DataUser-supplied DNA Recognition Motif Finder
Find declared IUPAC DNA motifs on both strands with exact coordinates and explicit ambiguity semantics.
EducationExplicit Answer Key Scorecard
Score a CSV answer sheet against your own accepted strings with exact point totals and visible blank policies.
EducationOriginal Practice Worksheet Builder
Create an escaped print worksheet and reviewable answer key from original short-answer or single-choice questions.
EducationSupplied Dictionary Letter Tile Finder
Find words that fit your explicit letter rack and blank tiles using only an original supplied dictionary.
EducationFIRST, FOLLOW and LL(1) Table Workbench
Compute nullable symbols, FIRST/FOLLOW sets and real predictive-table conflicts for your explicit token grammar.
EducationExplicit Epsilon-NFA Workbench
Simulate finite token strings or build a reachable deterministic transition table from a supplied epsilon-NFA.