Retirement projection from age, savings and monthly saving - nest egg, value in today's dollars, total contributed, growth and sustainable withdrawal income

Break-even units and revenue from fixed costs, price and variable cost, plus contribution margin, target profit units and margin of safety

Argentina dollar rates now - official, blue, MEP (bolsa), CCL, wholesale, crypto and card USD/ARS quotes with the blue-dollar premium

Norwegian krone exchange rates from Norges Bank - official daily NOK rate for any currency with recent history and day-over-day change

Bounding box around a coordinate for a radius in km, with an lon,lat bbox string, Web Mercator tile numbers at a zoom level and meters per pixel

Encode a latitude and longitude into a geohash at any precision, or decode a geohash into its centre, bounding box, cell size and eight neighbouring cells

Czech koruna exchange rates from the Czech National Bank - official daily fixing for about 30 currencies, CZK per unit, EUR, USD, GBP and more

Pokemon TCG card lookup by name - set, series, rarity, HP, types, attacks, illustrator, image and TCGplayer and Cardmarket market prices

Exchange rate history from ECB reference rates for up to 6 currencies - change, high and low with dates, mean, annualised volatility and a compact series

Yu-Gi-Oh card lookup by name - type, attribute, level, ATK and DEF, card text, archetype, banlist status, set count and TCGplayer and Cardmarket prices

Minecraft Java player lookup by username - UUID in both formats, skin URL and model, cape URL and an avatar link

CFTC Commitments of Traders for any futures market - speculator, hedger and small trader long, short and net positions, open interest and weekly change

Marine species lookup in WoRMS - accepted name and status, authority, full classification, habitat flags, common names in many languages and other matches

Search INSPIRE-HEP high-energy physics papers by topic - title, authors, citation count, date, arXiv id, DOI, journal and abstract, most cited or most recent

US street address geocoder from the Census Bureau - matched address, lat/lon, state and county FIPS, census tract, block and congressional district

Convert latitude and longitude to a UTM zone, latitude band, easting and northing with grid reference, or convert UTM coordinates back to WGS84

Convert coordinates to an Open Location Code plus code with the short-code hint, or decode a full plus code into its cell centre and size

French address geocoder from the Base Adresse Nationale - coordinates, confidence, INSEE commune code, postcode, department and region for any address

Convert US coordinates to state, county, census tract and census block FIPS codes with 2020 block population, using the FCC Area API

Worldwide address and place geocoder on OpenStreetMap data - turns an address or place name into lat/lon with street, city, postcode, country and bounding box