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Free investment and startup math, guide search and prompts: IRR, MOIC, SAFE, QSBS, burn multiple.
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irr — Internal rate of return for evenly spaced yearly cash flows after an initial investment. Use xirr instead when cash flows have specific datexirr — Annualized return (XIRR) for cash flows on specific dates, like Excel XIRR. Use this for real investments with irregular timing (capital calmoic — Multiple on invested capital: total value returned (distributions plus current value) divided by the amount invested, with the implied annuacagr — Compound annual growth rate between a start value and an end value over a number of years. Use for growth of a single value (revenue, an asstvpi_dpi — Fund performance multiples for an LP or a fund: TVPI (total value to paid-in), DPI (distributions to paid-in, realized) and RVPI (NAV to paicarried_interest — European (whole-fund) distribution waterfall: management fees, return of capital, preferred return (hurdle), GP catch-up and carried interessafe_conversion — How a YC-style SAFE (post-money or pre-money) converts in a priced equity round: conversion price, whether the cap or discount applies, sharconvertible_note — How a convertible note converts in a priced round: accrued interest, conversion price (cap vs discount), shares received and effective discostartup_valuation — Pre-money to post-money for a single priced round: post-money valuation, price per share, new shares issued, investor ownership (investment dilution — Founder and investor ownership across several future funding rounds, including option pool top-ups before each round. Use option_pool for a option_pool — The "option pool shuffle" for one round: how much the pool must grow to hit a post-money target, the effective pre-money valuation, and how pro_rata — For an existing investor in a new round: the check needed to keep the same ownership (pro rata), ownership after the round if they skip or wliquidation_preference — Exit waterfall: how sale proceeds split between preferred series and common, with preference multiples, non-participating, participating or secondary_sale — Proceeds from selling private company shares on the secondary market: sale price after a discount (or premium) to the last round price or a qsbs — Estimates the US federal capital gains exclusion for qualified small business stock under IRC Section 1202, including the July 2025 changes tax_deadlines — Key US equity tax dates. stock_grant_date: the 83(b) election deadline, 30 days after restricted stock is transferred (rolled to the next burunway — Months of cash runway for a startup, either from a monthly net burn ("burn" mode) or from monthly revenue and expenses with growth rates ("pcap_rate — Capitalization rate of an income property (net operating income / property value), plus gross rent multiplier and price per unit. Give noi_ucash_on_cash — Leveraged rental property returns: mortgage payment, NOI, annual cash flow, cash on cash return, DSCR and break-even occupancy. Use cap_rateportfolio_allocation — Allocation of a portfolio across asset classes (stocks, bonds, real estate, crypto, venture capital, private equity, cash, other), with a siburn_multiple — Capital efficiency: net burn divided by net new ARR over the same period (a quarter or a year). Lower is better. Returns the multiple and a rule_of_40 — Adds revenue growth rate and profit margin (usually EBITDA or free cash flow margin, both in percent). A score of 40 or more is the common rltv_cac — Customer lifetime value (monthly revenue per account x gross margin / monthly churn) compared with customer acquisition cost. Returns LTV, tcac_payback — Months of gross profit needed to earn back the cost of acquiring a customer: CAC / (monthly revenue per account x gross margin). Give cac_usnet_revenue_retention — Net revenue retention (NRR) and gross revenue retention (GRR) for a cohort of existing customers over a period, usually 12 months: (startingsearch_guides — Searches Raziel's 370 Learn articles on private investing, startups, funds and founder topics (SAFEs, cap tables, K-1s, capital calls, QSBS,define_term — Plain-English definition of a private-market, venture or fund term (pro rata, MFN, liquidation preference, valuation cap, DPI, TVPI, carriedcompare_platforms — Researched, sourced comparison of Raziel with another investing or startup platform (Addepar, Allocations, AngelList, Cake Equity, Carta, EmNot tested by KitScout yet. When our harness runs it, pros, cons and the tasks we tried appear here, with the date and evidence.