Log Base 2 of 0.5
Logarithm Calculator
What is log₂ 0.5?
Answer
log2 0.5 =
−1
log2 is the log base 2.
log2 0.5 is the power you raise 2 to, to get 0.5: 2y = 0.5.
2⁻¹ = 1/2 = 0.5 ✓
Answer point (0.5, −1).
The curve y = log2 x passes through (1, 0) and (2, 1) and rises: for x > 1 the log is positive, for 0 < x < 1 negative.
See Also
- Square Root Calculator - Calculate the square root of any number
- Simplify Square Root Calculator - Write any square root in simplest radical form, step by step
- Scientific Calculator with Memory & History - Free Engineering Calculator Online with Memory Function, Operation History, Logarithms & Trigonometry. Similar to ti-83, ti-84, ti-89
FAQ
What is log₂ 0.5?
log₂ 0.5 = −1
How to find log₂ 0.5 without a calculator?
Write 0.5 as a power of 2: 0.5 = 2⁻¹. The exponent is the answer: log₂ 0.5 = −1.
What does log without a base mean?
At school and on a calculator, log x without a base is the common log, base 10: log 100 = 2. In Python, math.log(x) is the natural log ln x; in Excel, LN is the natural log and LOG is base 10.
See Also
- Log Base 0.5 of 4
- Log Base 0.5 of 8
- Log Base 0.5 of 16
- Log Base 0.5 of 32
- Log Base 0.25 of 8
- Log Base 2 of −1 (log₂(−1))
- Log Base 2 of 0 (log₂ 0)
- Log Base 2 of 0.25 (log₂ 0.25)
- Log Base 2 of 0.125 (log₂ 0.125)
- Log Base 2 of 1 (log₂ 1)
- Log Base 2 of 1/3 (log₂(1/3))
- Log Base 2 of 1/6 (log₂(1/6))
- Log Base 2 of 2 (log₂ 2)
- Log Base 2 of 3 (log₂ 3)
- Log Base 2 of 4 (log₂ 4)
- Log Base 2 of 5 (log₂ 5)
- Log Base 2 of 6 (log₂ 6)
- Логарифм 0.5 по основанию 2 (log₂ 0.5)
- Logaritmo en base 2 de 0.5 (log₂ 0.5)
- Logaritmo de 0.5 na base 2 (log₂ 0.5)