Includes scientific, base, matrix, fraction, complex number, equation, vector, big-number, and sequence calculators for study, engineering, and quick daily math work.
Who is this collection for?
- Use this page when you want to compare several related tools in one place.
- It helps you move between closely related tasks without searching again.
- This collection currently includes 13 practical tools.
What can you find here?
- Common entry points include Scientific Calculator, Base Converter, Roman Numeral Converter, Bitwise Calculator, Percentage Calculator, and 8 more tools.
- You can quickly switch between checking, conversion, generation, formatting, or supporting workflows.
Recommended entry points
- Scientific Calculator - Powerful scientific calculator with basic operations and advanced functions
- Base Converter - Convert numbers between binary, octal, decimal, hexadecimal and any base from 2-36
- Roman Numeral Converter - Professional Roman numeral converter supporting bidirectional conversion between Roman and Arabic numerals with real-time conversion, step breakdown and one-click copy
- Bitwise Calculator - Online bitwise calculator with AND, OR, XOR, NOT, shifts and multi-base inputs, featuring 8/16/32-bit visualization for debugging and bitmask design
- Percentage Calculator - Online percentage calculator for ratio, increase/decrease, percent difference, discount, and tax estimation in operations, finance, and daily decisions
- Matrix Calculator - Online matrix calculator supporting add/subtract/multiply, transpose, determinant, inverse, LU/QR/SVD decomposition, rank, eigenvalues, norms, and condition number
- Fraction Calculator - Online fraction calculator supporting add/subtract/multiply/divide, simplification, common denominator, decimal conversion, mixed-number conversion, and fraction comparison
- Equation Solver - Online equation solver for linear, quadratic, and two-variable linear systems with graph plotting, Newton iteration, equation analysis, and solve history
- Vector Calculator - Online vector calculator supporting 2D/3D add/subtract, dot/cross product, angle, and projection for study, modeling, and engineering analysis
- Complex Number Calculator - Online complex number calculator supporting arithmetic, modulus and argument, polar and exponential form, conjugate, square root, reciprocal, and related operations
- Big Number Calculator - Online big number calculator for exact BigInt integer arithmetic, factorial, and power operations with copyable output
- Proportion Calculator - Online proportion calculator for solving unknowns in a:b=c:d, ratio scaling, and recipe adjustment, ideal for size conversion, price checks, and study practice
- Sequence Calculator - Online sequence calculator for arithmetic and geometric progressions with first-n sum, nth-term formula display, and term generation for study and quick engineering checks
How to use this page
- Read the short introduction and identify the tool closest to your current goal.
- Open the selected tool and process your data directly in the browser.
- Return to this collection when the workflow needs another related tool.
FAQ
Do I need to use every tool in this collection?
No. Pick the tool that matches your current task.
Why are these tools grouped together?
Because they are often used in the same workflow or solve closely related problems.