Home Energy Calculators x402 REST usage
Water heater recovery rate (gallons an hour), tank heat-up time and energy cost from input power, efficiency and rise.
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Water heater recovery rate (gallons an hour), tank heat-up time and energy cost from input power, efficiency and rise.
Vector operations: dot and cross product, magnitudes, angle between vectors, projection, unit vectors and distance.
Converts a price move in ticks or points into money per contract for a futures symbol.
Chemicals an EPA TRI facility has reported on Form R/A filings, with first and last year and form counts.
Cron expression explained in plain English with the next run times in any time zone - validates a 5-field cron and handles DST
Compare supplied molecules using a declared fingerprint and similarity metric. For dataset analysis; chemical similarity does not establish equivalent function or safety.
Relate supplied film thickness, resistivity and sheet resistance under stated uniform-film assumptions. For arithmetic checks; no measured device-performance claim.
Math expression calculator. Evaluate an arithmetic expression safely (parsed, never executed as code): + - * / % ^ and **, parentheses, factorial !, constants pi, e and tau, and functions sqrt, cbrt, abs, round, floor, c...
Radioactive decay calculator from initial amount, half-life and elapsed time - remaining amount and decay constant
Property coinsurance calculator from value, required percentage, coverage carried, loss and deductible
Insurance deductible cost-share calculator - member cost and plan cost from allowed amount and coinsurance
Insurance payout estimate from loss, deductible and policy limit - covered and uncovered amounts
Convert annual salary to hourly, weekly and monthly gross equivalents
Salary raise calculator - increase amount, new salary and monthly gross pay
Tax-inclusive price calculator - pre-tax amount and embedded tax from a total and rate
Sales tax calculator from subtotal and rate - tax and total
Tip, tax and total bill calculator from subtotal, tax rate and tip rate
Debt payoff calculator - payoff months, total interest and impossible-payment flag from balance, APR and payment
Calculate X, Y and Z Pauli expectations for a supplied valid single-qubit density matrix. Returns basis conventions; not a hardware measurement. New modular adapter: retained result recovery for 24 hours, minimal receipt...
Savings or investment plan with monthly contributions and compound interest: final value, total contributed, interest earned, value in today's money after inflation, yearly evolution and the monthly amount needed to reac...
Impermanent loss calculator for Uniswap v2 (full range) and v3/v4 concentrated ranges: IL vs holding, out-of-range flag and final token mix.
Calculate composition, molecular mass and model-based charge descriptors from supplied protein sequences. For dataset analysis; not a folding or function prediction.
For agents reviewing shot-count results: return probabilities and binomial confidence intervals with the interval method and independence assumptions. New modular adapter: retained result recovery for 24 hours, minimal r...
Convert units of length, mass, volume, area, speed, temperature, data (KB vs KiB), energy, pressure, time and power, metric and imperial, with exact factors.