Operators used in arithmetic and boolean expressions

Arithmetic

SymbolOperation Key to produce
p Power "p"
e Exponential "e"
s Sine "s"
c Cosine "c"
l Logarithm (base 10) "l"
x Logarithm (natural) "x"
Square root [Ctrl-S] (prints as "sqr")
* Multiplication "*" or [Shift-8]
/ Division "/"
+ Addition "+" or [Shift-=]
- Subtraction "-" or [Hyphen]

Relational

SymbolOperationKey to produce
= Logical Equal "="
>Greater Than[Shift-dot]
< Less Than[Shift-comma]
Greater Than Or Equal[Ctrl-G] (prints as "gte")
Less Than Or Equal[Ctrl-L]  (prints as "lte")

Logical (Boolean)

Symbol Operation Key to Produce
' or n Logical NOT [apostrophe] or "n"
& or a Logical AND "&" or "a"
! or o Logical OR "!" or "o"

Note
X' is equivalent to nX
X&Y is equivalent to XaY
X!Y is equivalent to XoY

Delays

Symbol Operation Key to Produce
d Auto reset "d"
r Cumulative "r"
t Terminate "t"

Misc.

Symbol Operation Key to Produce
m Largest positive integer "m"
i Index "i"
( Open bracket "("
) Close bracket ")"