Graph / Finite State Machine Designer

Update by traumweh in 2020.

• State Types: State can be rectangles or ellipses, which get wider to fit increasing text
• Default Type: Checkbox under canvas switches between ellipse (default) and rectangle
• Mixed Types: State's type can be toggled independently
• Special characters: More sup-, superscript chars, useful chars like arrows, regex stuff and more

Update by Markus Feng in 2019.

Update by Samuel Green in 2015.

Original by Evan Wallace in 2010 under the MIT license.

Cheat-Sheet

What	How
Add state	Double-click on canvas
Make accept state	Double-click on state
Toggle type of state	Left-click state and press ctrl
Add arrow	Shift-drag on canvas
Move something	Drag it around
Delete something	Left-click it and press Delete key

Normalscript

What	How	Example/Preview
Greek letters	Backslash before letter	\phi $\rightarrow \phi$ \Phi \rightarrow \Phi
Arrows	\rightarrow \Rightarrow \leftarrow \Leftarrow	⭢ ⇒ ⭠ ⇐
Concatenation	\circ \plus	∘ ⁺
Set-Stuff	\emptyset \cup \cap	∅ ∪ ∩
Blank-Character	\blank	␣
Mark a char	\mark	◌ࠫ

Subscript

What	How	Example
Numbers	Undersore before number	x_0 \rightarrow x_0
Latin letters1	Underscore before letter	x_a \rightarrow x_a
Greek letters2	Underscore + Questionmark before letter	x_?phi \rightarrow x_\phi
Math chars	_+ _- _= _( _)	₊ ₋ ₌ ₍ ₎

Superscript

What	How	Example
Numbers	Circumflex before number	x^0 \rightarrow x^0
Latin letters3	Circumflex before letter	x^a $\rightarrow x^a$ x^A \rightarrow x^A
Greek letters4	Circumflex + Questionmark before letter	x^?phi $\rightarrow x^\phi$ x^?Phi \rightarrow x^\Phi
Math chars	^+ ^- ^= ^( ^)	⁺ ⁻ ⁼ ⁽ ⁾

---

[1]: Supported subscript Latin letters: a, e, h, i, j, k, l, m, n, o, p, r, s, t, u, v, x, X, y ↩

[2]: Supported subscript Greek letters: beta, rho, phi ↩

[3]: Supported superscript Latin letters: a, A, b, B, c, C, d, D, e, E, f, F, g, G, h, H, i, I, j, J, k, K, l, L, m, M, n, N, o, O, p, P, r, R, s, S, t, T, u, U, v, V, w, W, x, X, y, Y, z, Z ↩

[4]: Supported superscript Greek letters: alpha, beta, gamma, delta, epsilon, theta, iota, phi, Phi ↩