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Raffi

Calculator

The native interface includes a built-in calculator that evaluates mathematical expressions as you type.

Overview

Section titled “Overview”

Simply type a mathematical expression in the launcher, and the calculator will automatically detect and evaluate it. Results can be copied to the clipboard using Enter.

Supported Operations

Section titled “Supported Operations”

Basic Arithmetic

Section titled “Basic Arithmetic”
5 + 3
# Result: 8

Mathematical Functions

Section titled “Mathematical Functions”

The calculator supports common mathematical functions:

FunctionDescriptionExample
sqrt(x)Square rootsqrt(16) → 4
sin(x)Sine (radians)sin(0) → 0
cos(x)Cosine (radians)cos(0) → 1
tan(x)Tangent (radians)tan(0) → 0
log(x)Base-10 logarithmlog(100) → 2
ln(x)Natural logarithmln(2.718) → ~1
exp(x)Exponential (e^x)exp(1) → ~2.718
abs(x)Absolute valueabs(-5) → 5
floor(x)Round downfloor(3.7) → 3
ceil(x)Round upceil(3.2) → 4

Complex Expressions

Section titled “Complex Expressions”

You can combine multiple operations and functions:

sqrt(16) + abs(-5)
# Result: 9

Usage

Section titled “Usage”

Basic Usage

Section titled “Basic Usage”
  1. Launch Raffi in native mode
  2. Type a mathematical expression
  3. The result appears automatically
  4. Press Enter to copy the result to clipboard
Calculator example

Keyboard Shortcuts

Section titled “Keyboard Shortcuts”
  • Enter: Copy result to clipboard
  • Esc: Clear input and return to normal mode

Configuration

Section titled “Configuration”

The calculator is enabled by default in native mode. To disable it:

addons:
  calculator:
    enabled: false

Enable Calculator

Section titled “Enable Calculator”
addons:
  calculator:
    enabled: true

Requirements

Section titled “Requirements”

Install wl-clipboard on your system:

Terminal window
sudo pacman -S wl-clipboard

Examples

Section titled “Examples”
Basic Calculations
2 + 2           → 4
10 - 3          → 7
5 * 4           → 20
100 / 4         → 25
2 ^ 10          → 1024
Scientific Functions
sqrt(144)       → 12
abs(-42)        → 42
floor(3.9)      → 3
ceil(2.1)       → 3
exp(0)          → 1
ln(1)           → 0
Trigonometry
sin(0)          → 0
cos(0)          → 1
tan(0)          → 0
Complex Expressions
sqrt(16) * 5                    → 20
(10 + 5) * 2                    → 30
2 ^ 3 + sqrt(9)                 → 11
abs(-5) * floor(3.7)            → 15
exp(ln(100))                    → 100

Tips

Section titled “Tips”