hexadecimal arithmetic
Calculate with signed base-16 integers.
Formula
Read digits in base 16; calculate integers; write back in the same base.
Operation = Add
How to use
- Enter two hexadecimal integers without prefixes.
- Choose an arithmetic operation.
- Read the result, remainder and decimal value.
Examples
- FF + 1 = 100 (decimal 256).
- FF ÷ 10 = F, remainder F.
Frequently asked questions
How does division work?
The quotient is truncated toward zero. The remainder has the dividend’s sign; dividend = divisor × quotient + remainder.
Which digits can I enter?
Use 0–9 and A–F, either case, with an optional leading sign.
What is the size limit?
Each input and exact result must fit within ±999999999999999 in decimal. Fractional inputs are not supported.
Sources
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