Type Range Format
Shortint ?28..127 signed 8-bit
Smallint ?2768..32767 signed 16-bit
Longint ?147483648..2147483647 signed 32-bit
Int64 ?^63..2^63? signed 64-bit
Byte 0..255 unsigned 8-bit
Word 0..65535 unsigned 16-bit
Longword 0..4294967295 unsigned 32-bit
Shortint ?28..127 signed 8-bit
Smallint ?2768..32767 signed 16-bit
Longint ?147483648..2147483647 signed 32-bit
Int64 ?^63..2^63? signed 64-bit
Byte 0..255 unsigned 8-bit
Word 0..65535 unsigned 16-bit
Longword 0..4294967295 unsigned 32-bit
8Bit (Max)= 11111111 ?
2^0+2^1+2^2+2^3+...+2^7 = ?
对吗?