Bulat Separuh Atas

Half Up ialah kaedah gaya sekolah standard dan selalunya merupakan jangkaan lalai.

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Kalkulator Pembundaran
Masukkan nombor dan pilih pilihan pembundaran anda
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🪄 Contoh Pantas

Bagaimana Ia Berfungsi

1

Langkah 1

Select the place value and inspect the deciding digit.

2

Langkah 2

If the deciding digit is 5 or greater, round upward.

3

Langkah 3

Return the rounded value at the chosen precision.

Contoh Kerja

Examples include tie values in decimal and whole-place contexts.

Input Sasaran Kaedah Hasilnya
2.5 Nombor Bulat Terdekat Bulat Separuh Atas 3
7.45 Kesepuluh Terhampir (1 dp) Bulat Separuh Atas 7.5
1250 Ratus Terdekat Bulat Separuh Atas 1300

Kesilapan Biasa

Elakkan ralat pembundaran yang kerap ini semasa mengesahkan output.

  • Using Half Up where unbiased tie handling is required.
  • Assuming Half Up and Half Even are equivalent.
  • Ignoring sign behavior when comparing with directional methods.
  • Confusing nearest rounding with truncation.

Soalan Lazim

When is Half Up best to use?
Use it when your rule is the familiar '5 rounds up' standard.
How is Half Up different from Half Down?
Half Up rounds ties upward, while Half Down rounds ties downward.
How is Half Up different from banker's rounding?
Banker's rounding sends ties to even outcomes instead of always up.
Can I change place values on this page?
Yes. Method is locked to Half Up, but place values are editable.