pTAL Reference Manual (H06.08+)

Data Representation

HP pTAL Reference Manual—523746-006

3-19

REAL and REAL(64) Numeric

integer

is one or more decimal digits that compose the integer part.

fraction

is one or more decimal digits that compose the fractional part.

specifies the floating-point constant REAL.

specifies the floating-point constant REAL(64).

exponent

is one or two decimal digits that compose the exponential part.

Representation Signed 32-bit REAL or 64-bit REAL(64) floating-point number

Range ±8.6361685550944446 * 10

-78

through

±1.15792089237316189 * 10

+77

Precision REAL—to approximately 6.5 significant decimal digits

REAL(64)—to approximately 16.5 significant decimal digits

integer

fraction

exponent

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