Big Number Calculator
Big Number Calculator evaluates very large mathematical expressions in a web browser.
About Big Number Calculator
Big Number Calculator evaluates very large mathematical expressions in a web browser. It accepts hexadecimal input with 0x, octal input with 0, arithmetic operators with parentheses, bitwise operations, and rational numbers marked with an 'r' suffix.
Key features
- Evaluates very large mathematical expressions in browser
- Accepts hexadecimal values with 0x prefix
- Accepts octal values with 0 prefix
- Calculates +, -, *, /, %, ^ with parentheses
- Performs OR, AND, XOR, SHL, SHR, , |, &
- Supports rational numbers with 'r' suffix
Best for: People who need to calculate large expressions involving hex, octal, bitwise, or rational-number math.
Good for
- Evaluates very large expressions in the browser
- Supports hex, octal, bitwise, and rational-number input
Big Number Calculator at a glance
- Category
- Privacy & Security › Security Tools
- Type
- Website
- Pricing
- Not confirmed. Check the site
- Platforms
- Web, Windows
- Open source
- Not stated
- Last checked
- Oct 5, 2026 · Online when checked
- Listed
- Oct 5, 2026
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Big Number Calculator FAQ
What input formats does it support?
0x prefix for hexadecimal, 0 prefix for octal, and 'r' suffix for rational numbers, such as (200r / 300r)^100.
Which operations can be used?
+, -, *, /, %, ^, parentheses, and OR, AND, XOR, SHL, SHR, , |, &.
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