Number of bytes on the buffer. 
Writes am IEEE 754 compliant number into a buffer.
@param {number} value - Number to be written on the buffer.
@param {Buffer} buffer - Buffer where the `value` will be written.
function writeTobuffer(value, buffer) {
  write(buffer, value, OFFSET, LITTLE_ENDIAN, MANTISSA_LENGTH, NUMBER_OF_BYTES);
}