Tag
decimal-arithmetic
- Dec 8, 2025 Ring-Counter Accumulators and the Cost of Rewiring ENIAC How ten flip-flops per digit hold a decimal number and count incoming pulses, how cables and switch banks define a program, and what function-table coding changed in 1948. computing history
- Dec 4, 2025 Packed and Zoned Decimal: Sign Nibbles and Decimal Arithmetic How decimal numbers are laid out two digits to a byte with the sign folded into the last nibble, and why the format permits decimal addition without a binary round trip. computing history