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2
10^
i
- 1
Creating your own functions
Functions and commands
zip(Fnc2d(f),Lst(l1),Lst(l2),[Val(default)])
Substitutes a value for a variable in an expression.
|(Expr,Var(v1)=value(a1)[,v2=a2,...])
Returns the square of an expression.
2
(Expr)
Inserts pi.
What does this one do?
Inserts a template for a partial derivative expression.
Inserts a template for a summation expression.
Inserts a minus sign.
Inserts a square root sign.
Inserts a template for an antiderivative expression.
Inserts a not-equal-to sign.
Inserts a less-than-or-equal-to sign.
Inserts a greater-than-or-equal-to sign.
Evaluates the expression then stores the result in variable var.
Note that
cannot be used with the graphics G0–G9. See
the command BLIT.
expression
Inserts the imaginary number i.
Returns the inverse of an expression.
–1
(Expr)
You can create your own function by writing a program (see
chapter 26) or by using the simpler DEFINE functionality.
Functions you create yourself appear on the User menu (one
of the Toolbox menus).
Suppose you wanted to create the function
SINCOS(A,B)=SIN(A)+COS(B)+C.
var
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