Calculators tools — Page 2
150 focused tools, ready to use in your browser.
Billing Proration Scenario Calculator
Calculate an entered price’s partial-period share with an explicit day/second basis and exact rounding convention.
CalculatorsRectangular Tile Layout Planner
Map a straight tile grid, compare rotation, and download the dimensions of every edge cut.
CalculatorsDimensional Weight Batch Planner
Compare actual and dimensional weight across a package batch using your divisor and rounding rules.
CalculatorsTelescope Eyepiece Comparison Planner
Compare magnification, exit pupil and approximate sky field for a table of eyepieces.
CalculatorsProject Critical Path Planner
Calculate earliest and latest task timing, exact total slack and critical connections in a task network.
CalculatorsLearning Curve Production Planner
Build a unit-by-unit effort schedule under Wright or Crawford learning assumptions and total a production batch.
CalculatorsPayoff and Information Value Workbench
Compare expected payoff, expected regret and the value of perfect information for your scenario table.
CalculatorsCost Assignment Workbench
Find an exact minimum-cost or maximum-value one-to-one assignment and export the matching witness.
CalculatorsSmall Exact Bin Packing Workbench
Allocate every small exact-size item into the fewest equal-capacity bins and export a checked packing witness.
CalculatorsExact Integer Allocation Workbench
Distribute a fixed number of indivisible units by entered weights, preserving the exact total and exposing quota remainders.
CalculatorsShared Expense Settlement Workbench
Split expenses in exact currency minor units, reconcile who paid and who owes, and download a conserved transfer plan.
CalculatorsPack Unit Price Comparison Workbench
Compare differently sized multipacks using one exact common unit and retain ties without rounding away small differences.
CalculatorsBill of Materials Explosion Workbench
Expand multi-level product requirements through an exact acyclic component graph and inspect shared-component contributions.
CalculatorsParallel Job Load Planner
Allocate independent jobs to identical machines, inspect a concrete timeline and compare its makespan with a valid lower bound.
CalculatorsEarned Value Status Workbench
Reconcile entered work-package values into exact cost and schedule indices plus an explicit completion-cost scenario.
CalculatorsRFM Transaction Segmentation Workbench
Aggregate local transaction rows into recency, frequency and exact monetary totals using your own transparent cutoff rules.
CalculatorsPrice Volume Mix Revenue Bridge
Reconcile a matched product portfolio revenue change into exact price, total-quantity and sales-mix effects.
CalculatorsUniform Carton Grid Load Planner
Compare every axis-aligned orientation of one box size and export a bounded coordinate preview of the best uniform grid.
CalculatorsSteady State M/M/c Queue Workbench
Inspect exact Erlang C steady-state queue metrics under explicit arrival, service and identical-server assumptions.
CalculatorsBattery Load Profile Energy Scenario
Reconcile a chronological load profile against an entered energy capacity, efficiency and reserve without pretending to model battery chemistry.
CalculatorsIdeal Camera Lens Geometry Workbench
Inspect ideal rectilinear field angles and a paraxial thin-lens depth-of-field scenario using an explicit blur-circle criterion.
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.
CalculatorsMulti-debt Payoff Strategy Comparison
Compare explicit snowball and highest-rate payment schedules across several entered debts with exact cent accounting.
CalculatorsEntered Loan Refinance Scenario Comparison
Compare two quoted loan-payment scenarios at the same horizon while including upfront or financed fees and remaining balances.
CalculatorsInvoice Line Rounding and Reconciliation
Inspect exact invoice bases, per-line or per-rate tax rounding, and a discrepancy against your entered total.
CalculatorsWhole-share Issuance and Dilution Scenario
Reconcile named holders before and after primary share issuance with an explicit outstanding or reserve-inclusive denominator.
CalculatorsInvoice Aging Snapshot
Group entered open invoice amounts at one UTC as-of date with exact cents and explicit age boundaries.
CalculatorsExpiry-ordered Lot Consumption Plan
Allocate dated whole-unit demand from available lots in expiry order and reconcile consumption, waste and carry.
CalculatorsDeclared Unit Vesting Schedule
Build a monthly unit-release schedule from your grant, cliff and original-day calendar convention.
CalculatorsThree-way Purchase Matching Workbench
Review ordered, received and invoiced quantities with explicit price tolerances and traceable individual exceptions.
CalculatorsSingle-period Stock Scenario Workbench
Inspect an optimal one-period order quantity under your discrete demand probabilities and salvage assumptions.
CalculatorsDynamic Lot-sizing Workbench
Choose a least-cost finite ordering schedule from known period demand, setup costs and stock-holding costs.
CalculatorsWeighted Job Sequencing Workbench
Order available jobs on one machine to minimize weighted completion time and compare the entered sequence.
CalculatorsWeighted Booking Selection Workbench
Choose a maximum-value set of nonoverlapping bookings on one resource and inspect the accepted intervals.
CalculatorsFinite Arrival Queue Workbench
Replay explicit arrivals and service durations through a shared first-come-first-served queue with identical servers.
CalculatorsBasket Price Index Workbench
Build direct and chain-linked price indexes from matched item prices and quantities across your own periods.
CalculatorsPassive DC Node Network Workbench
Solve a small arbitrary resistor topology from fixed DC node voltages and inspect exact KCL and power balances.
CalculatorsDated Cash-flow Valuation Workbench
Value irregular dated cash flows under an entered effective annual rate or inspect one bounded conventional annual yield.
CalculatorsFinite-lot Acceptance Plan Workbench
Find a bounded single-sample plan that meets two explicit finite-lot defective-count risk limits.
CalculatorsPoint-mass Inertia Workbench
Inspect a discrete mass distribution’s inertia tensor, angular momentum and rotational energy about a fixed reference.
CalculatorsPlanar Force Balance Workbench
Combine arbitrary planar forces and free couples, or solve up to three signed unknown force magnitudes with exact balance checks.