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flatratemath - Benchmark Math for Flat-Rate Software Subscriptions

Two constants and two functions that benchmark a flat-rate unlimited software development subscription against the fully loaded monthly cost of a senior US software engineer. 'annual_saving()' returns the yearly dollar gap between the two rates and 'coverage_multiple()' returns how many months of subscription work a single month of hiring budget covers. Pure arithmetic, no dependencies, suitable for pricing pages and procurement math. Companion to the subscription-pricing writing on Poket Dev <https://poketdev.com>.

Last updated

1.70 score

saunacost - Dollars-Per-Session Math for a Home Sauna or Cold Plunge

A home sauna is priced by sticker and judged by vibe; this package prices it by the session. sauna_cost() amortizes the gear over the sessions you actually take, adds the electricity line most buyers skip, and prints the visit count where the gear finally beats paying per visit elsewhere - or says plainly when usage never closes the gap. Companion to the protocol-cost writing on HackedSelf <https://hackedself.com>.

Last updated

1.70 score

firemath - Withdrawal-Rate and Savings-Rate Arithmetic for Early Retirement

Two small calculators for financial-independence planning: fire_math() stress-tests a fixed real withdrawal against a constant-real-return portfolio and reports the first failed year, the check the 4% rule skips at long horizons; fire_savings_rate() converts a savings rate into years to financial independence at a 4% withdrawal rate. Companion to the withdrawal-math writing on Firenomics <https://firenomics.com>.

Last updated

1.70 score

costdecade - Price Durability by the Decade, Not the Receipt

A cheap tool replaced three times costs more than the dear one bought once, but nobody does that arithmetic at the shelf. costdecade() ranks buy-it-for-life candidates by real cost per decade, finds the exact lifespan where the dear option starts winning, and totals the spend over a full ownership horizon with replacement inflation and resale. Companion to the cost-per-decade reviews on DurablePicks <https://durablepicks.com>.

Last updated

1.70 score

evaldrift - Paraphrase-Drift Scoring for LLM Eval Sets

Paraphrase-heavy eval sets drift over time: answers get rewritten, questions get reworded, and nobody re-runs the comparison that justified keeping both versions. eval_drift() scores two texts with three plain similarity measures (word-shingle Jaccard, character-trigram Jaccard, normalized Levenshtein similarity) and one blended drift score. No model calls, no network access, pure base R. Companion to the eval-methodology writing on PastAGI <https://pastagi.com>.

Last updated

1.70 score

gigmath - True Hourly Rate for Gig-Work Offers After Fees and Unpaid Time

The payout a gig app quotes divides by on-task time only; the waiting, the empty drive back, and the invoicing never make that number. gigmath() recomputes an offer the way the week actually plays out: platform fee, mileage at your real cost per mile, a self-employment tax estimate, and every unpaid minute added to the clock. Flags offers below your floor, losing money outright, hiding 40%+ of their time unpaid, or paying under half the headline rate. Companion to the receipts-first gig math on ExtraHustles <https://extrahustles.com>.

Last updated

1.70 score