SZ Calculator - Free Online Scientific & Programmer Calculator

A free browser-based calculator with Standard, Scientific, and Programmer modes featuring trigonometric, logarithmic, and bitwise operations with full keyboard support and memory functions.

Features

• Standard mode with arithmetic, percentage, square root, reciprocal, and memory operations
• Scientific mode with sin, cos, tan, log, ln, factorials, powers, roots, and constants
• Programmer mode with hex, decimal, octal, and binary base conversion
• Bitwise operations: AND, OR, NOT, XOR, NAND, NOR, shift, and rotate
• Interactive bit display with clickable individual bits
• Configurable word size: BYTE, WORD, DWORD, QWORD
• Full keyboard input mapping for all modes
• Auto-shrinking display with exponential notation
• Degrees and radians toggle for trigonometric functions
• Parentheses for expression grouping in Scientific mode