- x
- distance from your soldier
- y
- where the shot is now — in y' and y''
- dy
- how fast it is climbing — in y''
- ^
- power —
x^2
- 2x
- means
2*x
- fn
- sin cos tan sqrt abs ln exp floor
- abs
- a corner —
abs(x-8) turns at 8
- log
ln and log are both natural; log2, log10 are spelled out- mod
- a sawtooth —
mod(x, 8); % is the truncated remainder
- pi
- also
e, tau