05fdd13cd6
Features: basic arithmetic, trig/inverse-trig, log/ln, factorial, memory (MC/MR/M+/M−), DEG/RAD toggle, auto-resizing display, hover effects, keyboard bindings, and clipboard copy. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
40 lines
804 B
Markdown
40 lines
804 B
Markdown
# Scientific Calculator
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A desktop scientific calculator built with Python and Tkinter.
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## Features
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**Basic arithmetic**
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- Addition, subtraction, multiplication, division
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- Modulo (`%`), power (`xʸ`), parentheses
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- Negate (`±`), decimal point
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**Scientific functions**
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- Trigonometry: `sin`, `cos`, `tan` (degrees)
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- `√x` — square root
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- `log` — base-10 logarithm
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- `ln` — natural logarithm
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- `x!` — factorial
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- Constants: `π` and `e`
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## Requirements
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- Python 3.8+ (Tkinter is included in the standard library)
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## Run
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```bash
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python calculator.py
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```
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## Keyboard shortcuts
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| Key | Action |
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| `0-9`, `.` | Digits |
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| `+`, `-`, `*`, `/`, `%` | Operators |
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| `(`, `)` | Parentheses |
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| `Enter` | Evaluate |
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| `Backspace` | Delete last character |
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| `Esc` | Clear all |
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