Quick Calculator

Quick Calculator

A pop-up calculator for Factorio. Quick math without leaving the game.

Usage

Press Ctrl + Alt + C or run /qcalc to open the calculator, then type an expression. The result updates as you type. Press Enter or Escape to close.

You can also pass an expression straight to /qcalc to print the result without opening the window:

/qcalc 3 + 12/4

Supported syntax

Numbers

| Form | Example | |------|---------| | Decimal | 42, 3.14, .5 | | Scientific notation | 2e3 = 2000, 1.5e-4 = 0.00015 | | SI suffix | 10k = 10000, 2.5M = 2500000 |

SI suffixes are k M G T P (10^3 through 10^15).

Operators

| Operator | Description | Example | |----------|---------|---------| | + - * / | add, subtract, multiply, divide | 2 + 3 * 4 = 14 | | % | modulo (remainder) | 10 % 3 = 1 | | ^ ** | exponent or power | 2 ^ 10 = 1024, 2 ** 3 = 8 | | ! | factorial | 5! = 120 | | -x +x | unary sign | -3, +3 | | ( ) | grouping | (2 + 3) * 4 = 20 |

Functions

Called as name(x), e.g. sqrt(2 + 7).

| Function | Description | Example | |----------|---------|---------| | sqrt | square root | sqrt(9) = 3 | | abs | absolute value | abs(-7) = 7 | | exp | e to the power x | exp(1) = 2.71828... | | ln | natural logarithm | ln(e) = 1 | | log | base-10 logarithm | log(1000) = 3 | | log2 | base-2 logarithm | log2(8) = 3 | | sin cos tan | trigonometry (radians) | cos(0) = 1 | | asin acos atan | inverse trigonometry (radians) | acos(1) = 0 | | rad | degrees to radians | rad(180) = 3.14159... | | deg | radians to degrees | deg(pi) = 180 | | floor | round down | floor(3.9) = 3 | | ceil | round up | ceil(3.1) = 4 | | round | round to nearest | round(2.5) = 3 | | trunc | round toward zero | trunc(-3.9) = -3 | | sign | sign (-1, 0, or 1) | sign(-42) = -1 |

Constants

| Constant | Value | |----------|-------| | pi | 3.14159... | | e) | 2.71828... |

License

MIT