Decimal number

-999.5

Negative
Decimal
1 d.p.
Exact fraction

-999.5 is a decimal number equal to -1,999⁄2. It lies between -1,000 and -999, and as a percentage it is -99,950%.

Number properties

Absolute value999.5

SignNegative

Integer part-999

Fractional part0.5

Decimal places1

Floor-1,000

Ceiling-999

Rounded to nearest-999

Truncated-999

Fractions & ratios

As a fraction-1,999/2exact

Ratio-1,999 : 2

As a percentage-99,950%

Reciprocal-0.0010005003≈

Arithmetic

Double-1,999

Half-499.75

Square999,000.25

Cube-998,500,749.875

Cube root-9.9983330555≈

Negation999.5

Representations

Decimal-999.5

Scientific notation-9.995 × 10^2

Exponential-9.995e+2

IEEE 754 binary64 (hex)0xC08F3C0000000000the exact 64-bit pattern stored

IEEE 754 binary32 (hex)0xC479E00032-bit single precision, may lose accuracy

Stored as-999.5the nearest binary64 value to what you typed

Rounding

To 0 decimal places-1000

To 1 decimal place-999.5

To 2 decimal places-999.50

To 3 decimal places-999.500

To 4 decimal places-999.5000

To 1 significant figure-1000

To 2 significant figures-1000

To 3 significant figures-1000

Keep nerding

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