Drinks for an event from a first-hour and later-hours rule per guest, split into beer, wine and liquor, with bottle counts.

Convert 1-3999 to Roman numerals or read Roman numerals as numbers, strict or lenient (IIII, IC), additive style option.

Bundle price, savings and bundle margin from item prices plus either a bundle discount percent or a set bundle price.

Break-even units and revenue from fixed costs, price and variable cost per unit, with an optional profit target.

Backwards timeline from the event start: milestones given as minutes before start become 12-hour clock times, earliest first.

Tables and chairs for a guest count from seats per table, with spare chairs, empty seats and tables for food, cake or gifts.

How many pizzas to order from guests, kids and slices each, with pizza area, area per guest and a size comparison.

A whole number as French words: cardinal and ordinal, France/Belgium/Swiss forms (septante), 1990 hyphen spelling.

Cake servings from pan size and area per slice: round, square or rectangle, one or several tiers, wedding or party slice style.

Pounds and bags of ice for a guest count from a per-guest rule, with hot-weather multiplier and extra for chilling drinks.

A whole number as Spanish words (cardinal, ordinal 1-100), gender, un/uno apocope, long scale (mil millones, un billón).

Food to prepare for a guest count by course (appetizer, main, side, salad, dessert, bread) with kid and appetite multipliers.

Final price and effective discount when percentage discounts are stacked one after another, versus simply adding them.

Full paperback cover width and height with bleed from trim size and page count, in inches, mm and pixels.

Split a total word count into N balanced chapters with exact per-chapter words, pages and reading minutes.

Estimate ebook file size in KB and MB from word count, image count and average image size (all adjustable).

Pages from a word count at your words-per-page figure, rounded up, plus even page count and sheets for print.

Total and average unit price for a quantity under graduated or volume tiers given as minQty:unitPrice pairs.

Round a price to a charm ending such as .99 or .95, or to steps like 9 at the end of tens, up, down or nearest.

MRR, ARR, customer lifetime, annualised churn and LTV from customers, ARPU and monthly churn, with optional CAC payback.