Pretvornik znanstvenih notacij
Pretvori katero koli številko v in iz znanstvenega zapisa.
Rezultati posodabljajo, ko tipkate.
O tem kalkulatorju
Scientific notation writes a number as a coefficient between 1 and 10 multiplied by a power of ten, and this scientific notation converter turns any value into that form along with E-notation, engineering notation, its order of magnitude, and the plain standard-form number. It also reads scientific input, so you can convert in either direction.
To build the coefficient, the decimal point is moved so a single non-zero digit sits in front of it; the number of places moved becomes the exponent. So 12,345 has its point shifted four places to give 1.2345 × 10⁴, and small numbers use a negative exponent — 0.00045 becomes 4.5 × 10⁻⁴. Engineering notation keeps the exponent to a multiple of three (matching kilo, mega and so on), rewriting 12,345 as 12.345 × 10³, and the order of magnitude is just that power of ten, 4 here.
Scientific notation is how very large and very small quantities are handled in physics, astronomy, chemistry and computing without writing long strings of zeros. Entering a value in E-notation such as 1.2e5 converts it straight back to the standard number 120000.
Pogosta vprašanja
Kako se napiše številka v znanstvenem zapisu?
Premaknite decimalno točko tako, da ena nenultna številka stoji pred njo, nato pa se pomnožite s 10 na število premikanih mest. 12,345 = 1,2345 × 104.
Kaj je e-notacija?
E-notation is how calculators display scientific notation: 1.2345 × 10⁴ is shown as 1.2345e+4, where the number after e is the power of ten.
Kaj je inženirski zapis?
It is like scientific notation but the exponent is kept to a multiple of three, so it lines up with metric prefixes. 12,345 is written 12.345 × 10³.
Kakšen je vrstni red števila?
To je moč deset v svojem znanstvenem notatu – izpostavitev. Za 12,345 je vrstni red velikosti 4.
Lahko spremenim e-notacijo nazaj v navadno številko?
Yes. Type a value like 1.2e5 and the converter expands it to the standard form 120000.
Kako so zelo majhne številke napisane v znanstvenem notatu?
Uporabljajo negativen izid. 0,00045 postane 4,5 × 10−4, premikajo točko štirih mest na desno.
API – uporabi ta kalkulator iz kode
Poišči ta kalkulator kot brezplačni končni cilj JSON – ni potreben ključ. Pošljite spodnje vrednosti polja kot parametre za poizvedovanje ali JSON. Vse, kar opustite, uporablja enako privzeto. Ta stran je napolnjena z; neznani parameter je 400, nikoli ne tiho ničlo. Preberite celoten API docs →
Končna točka
GET https://calculator.free/api/v1/scientific-notation/curl
curl "https://calculator.free/api/v1/scientific-notation/?number=12345"JavaScript fetch()
const r = await fetch(
"https://calculator.free/api/v1/scientific-notation/?" + new URLSearchParams({
"number": "12345"
}));
const data = await r.json();
console.log(data.results);Rezultati so ocene za splošne smernice, ne pa za finančne, zdravniške ali davčne nasvete.