Most hobbyist would love to own a Goliath may you too would like one right?? so why? maybe because that it is big that it can grow up to 12inches. Well if Size Matters, why dont you consider The Brazilian Salmon Pink Tarantula? this guy grows fast and can grow about 10 inches (although mine is only 8-9 inches) making this a good start.
Reference Language | Libraries | Comparison | Changes. Double precision floating point number. On the Uno and other ATMEGA based boards, this occupies 4 bytes. That is, the double implementation is exactly the same as the float, with no gain in precision. On the Arduino Due, doubles have 8-byte (64 bit) precision.
VB-Double. Holds signed IEEE 64-bit (8-byte) double-precision floating-point numbers that range in value from -1.79769313486231570E+308 through -4.94065645841246544E-324 for negative values and from 4.94065645841246544E-324 through 1.79769313486231570E+308 for positive values. Double-precision numbers store an approximation of a real number. Java-Double. The double data type is a double-precision 64-bit IEEE 754 floating point. Its range of values is beyond the scope of this discussion, but is specified in the Floating-Point Types, Formats, and Values section of the Java Language Specification. For decimal values, this data type is generally the default choice.