Kifaa cha Kuhesabu

Sehemu fulani za desimali huandikwa kwa karatasi hizo, juu au chini.

Imepangwa kimbele (karibu zaidi) —

Imekunjwa —

Imekunjwa chini —

Kukatwa (kukakatwa) —

Matokeo yanakuwa bora zaidi unapochapa.

Je, hesabu hiyo ilikupa jibu linalofaa?

Kuhusu kifaa hiki cha kupigia hesabu

A rounding calculator rounds a number to a chosen number of decimal places (or significant figures) and shows four results side by side: the standard nearest-value rounding, always-up (ceiling), always-down (floor), and truncation, so you can compare every option at once.

Standard rounding looks at the digit just past the cut-off — 5 or more rounds up, less than 5 rounds down — so 3.14159 to two decimal places is 3.14. The other columns force a direction: for 2.673 the nearest and floor both give 2.67 while the ceiling gives 2.68, and truncation simply drops the extra digits to 2.67 without rounding. Switching the mode to significant figures counts meaningful digits from the first non-zero one instead, and a negative number of places rounds to the left of the point, so 3457 to −2 places becomes 3500.

Rounding matters for money, measurements, reporting to a sensible precision, and avoiding false accuracy in results. Seeing nearest, up, down and truncated together makes it clear how much a value shifts depending on which rule you apply.

Maswali yaliyoulizwa mara nyingi

Kuzunguka sehemu za desimali hufanyaje kazi?

Tazama uwanja huo ukipita tu sehemu zilizokatwa: 5 au zaidi juu, chini ya mita 5. 3.14159 hadi sehemu mbili ni 3.14.

Idadi isiyofaa ya desimali hufanya nini?

Inazunguka kushoto kwenye eneo la desimali: kujali1 kuzunguka kwa zipatazo kumi, [1]2 hadi mia moja iliyo karibu zaidi. 3457 hadi sehemu kujali2 ni 3,500.

Kuna tofauti gani kati ya kuzunguka na kuzunguka?

Ukizunguka (kilongo) sikuzote hujipanga kwenye thamani kubwa zaidi na kuzunguka - zunguka kuelekea kile kidogo, huku sururu iliyo karibu zaidi ambayo hata zaidi iko karibu zaidi.

Matokeo yaliyokatwa - katwa yanaonyesha nini?

Inapunguza tarakimu kupita mahali ulipochagua bila kuzunguka. bisimali mbili zipatazo 2.677 ni 2.677, hata ingawa kuzunguka kwalo hutoa 2.67 hapa na 2.68 kungeenea hadi 2.678 huku zikizunguka 2.68.

Nitakusanyaje tarakimu muhimu badala ya desimali?

Zima njia hiyo kutoka kwa desimali hadi kwenye tarakimu zenye maana.

Je, kukusanya vitu kwa ujumla sikuzote ni kwa ukubwa?

Kuzunguka kunamaanisha kuwa na hali nzuri ya hewa, kwa hiyo 12]2.7 ni idadi kubwa sana ❖2, ambayo ni kubwa zaidi, si ndogo.

API bustanini hutumia kifaa hiki cha hesabu kutoka kwenye mfumo wa sheria

Ipigie simu kifaa hiki cha kupigia hesabu kama Junse É not doot toder. Chochote unachoacha kinatumia kiwango kilekile cha mwisho ambacho ukurasa huu haujakamilika; parameta isiyojulikana ni 400, si sufuri kimya kamwe. Soma habari kamili za API docs →

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GET https://calculator.free/api/v1/rounding/

curl

curl "https://calculator.free/api/v1/rounding/?number=3.14159&places=2&mode=decimals"

JavaScript `fetch()`

const r = await fetch(
  "https://calculator.free/api/v1/rounding/?" + new URLSearchParams({
    "number": "3.14159",
    "places": "2",
    "mode": "decimals"
  }));
const data = await r.json();
console.log(data.results);

Matokeo ni makadirio ya mwongozo wa ujumla, si wa kifedha, wa kitiba au wa kodi tu.

Kuhusu kifaa hiki cha kupigia hesabu

Maswali yaliyoulizwa mara nyingi

Vifaa vya Kupima Gharama

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curl

JavaScript fetch()

JavaScript `fetch()`