learn.howToCalculate
learn.whatIsHeading
The square root of a number x is a value r such that r² = x. Every positive number has two square roots: a positive (principal) root and a negative root. Only zero has a single square root: zero itself.
Steg-för-steg-guide
- 1Factor the number into prime factors
- 2Pair up identical prime factors
- 3Take one factor from each pair and multiply them
- 4Any unpaired factors stay inside the radical symbol
Lösta exempel
Ingång
√144
Resultat
12
12 × 12 = 144
Ingång
√2
Resultat
1.41421…
Irrational — cannot be simplified further
Ingång
√0.25
Resultat
0.5
0.5 × 0.5 = 0.25
Ingång
√200
Resultat
10√2
√(100 × 2) = 10√2 ≈ 14.142
Redo att beräkna? Prova den kostnadsfria Square Root-kalkylatorn
Prova själv →