Merge pull request #227 from Vampir0/main

Add mathcalc package

Author: smeech

packages/mathcalc/0.1.0/README.md

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+# Math Calculator for Espanso
+
+Evaluate math expressions inline using Python's math engine.
+
+**Requires Python installed on the system.**
+
+## Triggers
+
+| Trigger | Output | Example |
+|---------|--------|---------|
+| `:calc` | Result only | `1013.5` |
+| `:xcalc` | Expression = Result | `(10^3) + sqrt(144) = 1012` |
+
+## Supported operations
+
+- Basic: `+`, `-`, `*`, `/`
+- Power: `^` or `**`
+- `sqrt(x)`, `pow(x, y)`
+- `sin(x)`, `cos(x)`, `tan(x)`, `asin`, `acos`, `atan`
+- `log(x)`, `log2(x)`, `log10(x)`
+- `ceil(x)`, `floor(x)`, `factorial(x)`
+- Constants: `pi`, `e`, `tau`
+- Parentheses and nested expressions
+
+## Examples
+
+- `(19+1)^2` → `400`
+- `sqrt(144)` → `12`
+- `sin(pi/2)` → `1`
+- `log10(1000)` → `3`
+- `factorial(6)` → `720`
+- `(sqrt(2)+1)^2` → `5.828427124`
+
+## Reference
+
+Full list of available functions: https://docs.python.org/3/library/math.html

packages/mathcalc/0.1.0/_manifest.yml

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+name: "mathcalc"
+title: "Math Calculator"
+description: Inline math calculator with full Python math support. Evaluate expressions with +, -, *, /, ^, sqrt, sin, cos, tan, log, factorial and more.
+version: 0.1.0
+author: Matt
+tags: ["math", "calculator", "python", "utility"]
+homepage: "https://github.com/Vampir0"

packages/mathcalc/0.1.0/package.yml

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+global_vars:
+  - name: "input"
+    type: "form"
+    params:
+      layout: |
+        Enter expression (e.g. (19+1)^2): [[val]]
+  - name: result
+    type: script
+    params:
+      args:
+        - python
+        - -c
+        - |
+          from math import *
+          x = '{{input.val}}'.replace('^', '**')
+          r = eval(x)
+          print(int(r) if r == int(r) else round(r, 10))
+
+matches:
+  - trigger: ":calc"
+    replace: "{{result}}"
+
+  - trigger: ":xcalc"
+    replace: "{{input.val}} = {{result}}"