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... |