Examples

Each example page has a Larky icon you can click to open the file directly in Lark, or copy the cm remote command to your terminal.

Tutorials #

Step-by-step walkthroughs that teach CalcMark through a specific domain.

System Sizing & Capacity Planning – Server fleets, bandwidth, storage, and SLA budgets
Business Planning & Financial Modeling – P&L statements, budgets, and projections
Recipe Scaling & Cooking – Fractions, measurement conventions, and the scale directive
Unit Conversion & Measurement – Ambiguous units, inline qualifiers, and unit systems

Complete .cm files you can run, modify, and learn from.

Markdown Showcase – Headings, lists, quotes, links, tables, and live calculations
Household Budget – Monthly budget with rates, conversions, and napkin math
Job Offer Comparison – Comparing compensation packages
Project Workback – Sprint planning with dates and durations
Recipe Scaling – Unit conversions and proportional scaling
System Sizing – Infrastructure capacity planning
Datacenter Build Cost – Full lifecycle cost analysis with growth, depreciation, and exchange rates
Investment & Growth – Compound growth, depreciation, and linear growth for financial modeling
Home Renovation – Averages, square roots, constants, booleans, and rate conversions
Services P&L – Post-sales consulting P&L with percentage widening, globals, and scenario analysis
Embedded Datacenter Cost – Embedded mode: CalcMark blocks inside a standard Markdown file

Drawn from the project’s golden test suite, these pages demonstrate every language feature:

A complete Markdown document with headings, lists, quotes, links, tables, and live calculations.

All function call styles: traditional, natural language, nested, and mixed.

Monthly budget with income, taxes, expenses, savings goals, and the 50/30/20 rule.

Compare two job offers with salary, equity, bonuses, and risk-adjusted analysis.

Latency, throughput, transfer time, read/seek, and compression functions.

Rate expressions, accumulation with 'over', rate conversion, and capacity planning with 'at...per'.

Double a banana bread recipe and convert imperial to metric — with two lines of frontmatter.

Quick estimation with human-readable rounding using 'as napkin'.

Work backwards from a launch date with date arithmetic, sprint planning, and cost estimates.

Date keywords, literals, arithmetic, and duration calculations.

Back-of-napkin infrastructure estimation for a 10M user app with storage, bandwidth, and capacity planning.

Full lifecycle cost analysis: CapEx, OpEx, depreciation, growth, and build-vs-colo comparison.

Budget allocation across fiscal quarters with FQ/FY notation, leap year impact, and daily run rates.

Compound growth, depreciation, and linear growth for financial and business modeling.

Kitchen remodel and patio budget using averages, square roots, constants, booleans, and rate conversions.

Post-sales consulting P&L model: headcount, utilization, engagement mix, scenarios, and board narratives.

CalcMark's embedded mode: live calculations inside a standard Markdown file, designed for Hugo and static-site pipelines.