Plain markdown text. $ starts inline math; $ again on an empty line makes it display math. ⌘K describes an equation in words.
| ^ _ | superscript / subscript (sum, int, prod, lim come with empty limit slots) |
| / | fraction (takes the preceding term) |
| ( { · [Tab |Tab ||Tab | brackets (type the closer to step out); bare [ and | stay as typed for intervals and "divides" |
alpha sum int sqrt RR … space | keywords: convert as you type with Instant symbols on, else on space/Tab. \anything space for any command |
pmat2x3 sys2 text | matrices, cases, text |
sr cb · td tt | squared, cubed · empty exponent |
ddx ddel | d/d and ∂/∂ fractions |
pii xii inn too xx | π ξ ∈ → × |
AA EE nEE · NN RR Exp | ∀ ∃ ∄ · ℕ ℝ 𝔼 |
o++ oxx o.. u++ · O++ Cup | ⊕ ⊗ ⊙ ⊎ · big versions with limits |
sub= sups= not= <=> || | ⊆ ⊇ ≠ ⇔ ‖·‖ |
vec hat bar bb cal fk rm txt red | accents, fonts, colors |
lim log tend tr rank sgn | with subscript slot · arrow with labels · operator names |
<= != -> +- | ≤ ≠ → ± |
| ← → ↑ ↓ | move through the structure; click anywhere to place the cursor |
| space at the end of a slot | step out of it |
| Tab | accept the gray suggestion |
| Esc ↵ $ | leave the equation |
| ⇧← ⇧→ · drag · ⇧click · ⌘A | select inside an equation (grows to whole fractions, scripts, brackets) |
| selection + ( / / | wrap in brackets / make it the numerator; any other key replaces it |
| ⌘C ⌘X ⌘V | copy / cut / paste as LaTeX; pasting into text makes an equation |
| ⌘Z ⇧⌘Z | undo / redo (text and math) |