Mega Code Archive
Floating-point values can be represented using e-notation
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In e-notation, a number is represented by digits, followed by an e or an E, followed by the number of times to multiply it by 10.
var fNum = 3.125e7;
This notation represents the number 31250000.
You can get this value by converting the e-notation to a calculation: 3.125 * 10^7.
0.00000000000000003 can be written as 3e-17.
Here, 10 is raised to the -17 power.
By default, JavaScript converts any floating-point number with six or more leading zeros into e-notation.
Floating-point values are stored in a 64-bit IEEE 754 format.
Decimal values can have up to 17 decimal places.
After that, the values are truncated.
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