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Compute a weighted-average anti-dilution conversion price
A function that applies the broad-based weighted-average anti-dilution formula to produce the adjusted conversion price for an earlier preferred series after a dilutive financing.
Compute Amdahl's-Law parallel speedup and efficiency
A pure function that, given a parallelizable fraction and processor count, returns Amdahl's-Law speedup, efficiency, and the asymptotic ceiling, graded on hidden numeric cases.
Compute an add-on price as percent-of-base with floor and cap
I give a base ACV, a percentage, a floor and a cap, and get the add-on price = clamp(pct * baseACV, floor, cap), so the add-on scales with customer size but stays bounded.
Compute Break-Even Point and Margin of Safety
A founder learns the exact unit and revenue break-even point so they can judge whether the required sales volume is achievable before fixed costs are recovered.
Compute Cofounder vs Employee Cash-and-Equity Cost
A side-by-side of cash burned and equity given for filling a role as a cofounder versus an employee over the runway window, plus the company valuation at which the cofounder's extra equity costs more than the cash saved, so the founder can decide which is economically cheaper.
Compute Default Alive or Default Dead
A pure function that, given current cash, monthly expenses, monthly revenue, and monthly revenue growth rate, returns whether the company reaches profitability before cash runs out (default alive) or not (default dead), the crossover month, and the lowest cash point.
Compute economic value to the customer (EVE) and the viable price range
You get the total economic value to the customer (EVE) and the viable price range (ceiling and floor) for one product in one customer segment, built up from a next-best-alternative reference price and a set of signed monetary value-driver deltas.
Compute Equity for a Founder's Cash Contribution
The extra ownership percentage a founder earns by putting cash into the company beyond their labor, priced off the agreed pre-seed valuation, plus the resulting post-contribution ownership split, so the founders can settle IOUs before financing.
Compute Founder Personal Runway and Go-Full-Time Verdict
A bootstrapping founder learns how many months of personal runway they have and whether it clears the book's full-time-go thresholds, so they can decide whether to quit their job now or stay part-time.
Compute Founder Share Repurchase on Departure
A precise vested-vs-repurchasable share split when a founder leaves before fully vesting, plus the cash the company pays under the repurchase agreement, so the cap table can be corrected.
Compute Founder Vesting Acceleration Payout on Change of Control
A precise breakdown of how many founder shares vest at a change-of-control event under the grant's acceleration terms, so the founder knows their stake before signing.
Compute New-Hire Equity Grant by Hire Number
A pure function that returns the equity-grant percentage for the Nth early hire by interpolating between configurable anchor grants (default 1.5% for hire #1, 0.25% for hire #20), per the YC early-hire equity rule of thumb.
You are not what you make. You are the one who can make it.
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