Travel

Measure an ordered WGS84 path or polygon for geodesic distance and ellipsoidal area, with bearings plus an auditable segment ledger.

Practice 194 country flags in seeded world, regional, ASEAN, EU, or Commonwealth rounds with flexible feedback and missed-flag review.

Find country or territory facts from names and common identifiers, then review ranked matches and source freshness from a frozen dataset.

Practice US state, territory, and world-country silhouettes in seeded rounds with immediate corrections and focused missed-outline replay.

Crop a local portrait to current U.S. or UK paper-passport dimensions, check manual head size, and prepare a 300 ppi JPEG or print sheet.

Find passport, visa, or ID photo dimensions and check head-size fit before estimating print pixels or sheet capacity for the final crop.

Estimate your annual carbon footprint against a chosen budget, compare major sources, and test local emission factors or verified offsets.

Calculate minimum internal pet travel crate dimensions from body measurements, then compare clearance and flag limits that need carrier review.

Count Schengen short-stay days across moving 180-day windows, test a proposed trip, parse passport stamps, and plan a compliant re-entry date.

Practice 802 curated state, province, region, and territory flags by country set with seeded rounds, corrections, and missed-flag replay.

Estimate daily travel per diem from verified M&IE rates and lodging caps, including travel-day proration plus provided-meal deductions.

Plan segmented travel time, stops, a schedule allowance, and time-zone-aware arrival from entered distances and average speeds.