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Fractional Decimal To Binary Converter

Conversion Formula:

\[ d = \sum bits \times 2^{-i} \text{ for fractional part} \]

(0 to 0.9999)
bits (1-20)

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1. What is Fractional Decimal To Binary Conversion?

The fractional decimal to binary conversion process transforms a fractional decimal number (between 0 and 1) into its binary representation. This is essential in digital systems, computer science, and numerical analysis where precise binary representations are needed.

2. How Does the Converter Work?

The converter uses the following algorithm:

\[ d = \sum bits \times 2^{-i} \text{ for fractional part} \]

Where:

Algorithm Steps:

  1. Multiply the decimal fraction by 2
  2. Record the integer part (0 or 1) as the next binary digit
  3. Take the fractional part and repeat until desired precision is reached

3. Importance of Binary Conversion

Details: Accurate binary conversion is crucial for digital signal processing, floating-point number representation, and various computer algorithms that require precise binary representations of fractional values.

4. Using the Converter

Tips: Enter a decimal fraction between 0 and 0.9999, specify the desired precision (number of bits), and click Convert. The converter will show the binary representation with the specified precision.

5. Frequently Asked Questions (FAQ)

Q1: Why does some decimal fractions have infinite binary representation?
A: Similar to how 1/3 has infinite decimal representation (0.333...), some fractions have infinite binary representations when they can't be exactly represented in base 2.

Q2: What is the maximum precision supported?
A: This converter supports up to 20 bits of precision, which is sufficient for most applications.

Q3: How accurate is the conversion?
A: The conversion is mathematically exact up to the specified number of bits. Additional bits provide more precision.

Q4: Can I convert numbers greater than or equal to 1?
A: This converter is specifically for fractional parts (0 ≤ d < 1). For numbers ≥1, you would need to separate the integer and fractional parts.

Q5: What are common applications of this conversion?
A: Common applications include floating-point arithmetic, digital signal processing, computer graphics, and any domain requiring precise binary representations of numbers.

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