arithmetic

Add two hexadecimal numbers together and get the exact hex sum.

Generate an NxN addition table with row/column headers and cell values all in hexadecimal.

Divide one hexadecimal number by another and get the exact hex quotient and remainder.

Generate an NxN division table showing hex quotient and remainder for every row/column pair.

Multiply two hexadecimal numbers together and get the exact hex product.

Generate an NxN multiplication table with row/column headers and cell values all in hexadecimal.

Round every hex value in a list to the nearest multiple of a hex rounding unit.

Subtract one hexadecimal number from another and get the exact hex difference, including negative results.

Subtract a decimal amount from every hex value in a list, clamping at zero instead of wrapping.

Add a decimal amount to every hex value in a list, using exact BigInt arithmetic.

Build a random arithmetic expression from +, -, *, / and parentheses, with its evaluated result.

Compute the absolute value of every integer in a list, one per line.

Divide a list of integers left to right, one after another, as floating point.

Subtract a list of integers left to right, one after another.

Add two binary numbers together with full carry propagation, at any length.

Combine two binary strings bit by bit with no carry propagation (a half-adder sum).

Divide two binary numbers and see both the quotient and the remainder.

Multiply two binary numbers together as exact integer arithmetic, at any length.

Count how many 1 bits (population count / popcount) appear in a binary string.

Count 1 bits in a binary string, check even/odd parity, and generate the matching parity bit.

Subtract two binary numbers, with a clear leading minus sign when the result is negative.

Decode a 32-bit IEEE 754 single-precision binary string back into its decimal value.

Count how many 0 bits appear in a binary string, exactly as it was entered.

Convert a decimal number into its exact IEEE 754 single-precision (32-bit) binary layout.