Runda Halv Ned

Half Down är en slipsspecifik metod för fall där slipsbias uppåt bör minskas.

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Avrundande kalkylator
Ange ett nummer och välj dina avrundningspreferenser
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🪄 Snabba exempel
📋 Hur det fungerar

Hur det fungerar

1

Steg 1

Round to the nearest value for non-tie digits.

2

Steg 2

On exact ties at 5, round downward.

3

Steg 3

Keep method behavior consistent across all place values.

📊 Exempel

Arbetade exempel

Tie cases are emphasized so Half Down differences stay clear.

Ingång Mål Metod Resultat
2.5 Närmaste helnummer Runda Halv Ned 2
7.45 Närmaste tiondel (1 dp) Runda Halv Ned 7.4
1250 Närmaste Hundra Runda Halv Ned 1200
Tips

Vanliga misstag

Undvik dessa frekventa avrundningsfel vid validering av utdata.

  • Treating Half Down as a directional method.
  • Forgetting that values above 5 still round up.
  • Applying Half Down when regulation requires Half Even.
  • Ignoring sign-sensitive cases in test examples.
❓ FAQ

Vanliga frågor

What is the Half Down tie rule?
Exact ties at 5 round down; values above 5 round up.
Is Half Down the same as floor?
No. Half Down is nearest-value with tie logic, floor is directional toward negative infinity.
When is Half Down useful?
It is useful when your rounding policy requires downward tie handling.
Can I compare Half Down with other methods?
Yes. Use related method pages for direct tie-policy comparisons.