ToolHub

Big Number Calculator

Perform high-precision mathematical calculations using a custom parser and BigNumber engine. Supports arithmetic operations, scientific functions, memory operations, and real-time expression evaluation.

Key Features

  • • High precision calculations using BigNumber
  • • Custom expression parser (no eval)
  • • Supports +, −, ×, ÷, modulus operations
  • • Scientific functions (sin, cos, tan, log, ln)
  • • Power & factorial calculations
  • • Degree & radian angle modes
  • • Memory functions (M+, M-, MR, MC)
  • • Calculation history with export options

Use Cases

  • • High precision financial calculations
  • • Scientific and engineering computations
  • • Complex mathematical expressions
  • • Learning expression parsing & evaluation
  • • Handling very large numbers accurately

How It Works

  • • Enter mathematical expression using keypad
  • • Expression is tokenized and converted to RPN
  • • Evaluated using BigNumber arithmetic
  • • Results displayed with high precision
  • • History & visualization updated instantly
0