函數

Functions can be used by inserting the name of the function followed by function arguments. Calculator also support user-defined functions. If the argument is not a number or a single variable then write each argument separated by semicolon and use parenthesis around the argument list.

sin 30

abs (5−9)

fun (9;10)

To add a new function type the function in the format as given below. A function name and arguments must only contain upper or lower case characters. The part after @ is the function description which is optional.

SimpleInterest (principal; rate; time) = principal * rate * time @ Simple Interest formula

Functions can also be added and inserted using the f(x) button.

Click on f(x). Type the function name in the box, choose the number of arguments and click on the plus sign button next to it. On the calculator screen type the function expression and press Enter.

Click on f(x). Choose the function and click on it.

下面是預先定義的函數。

abs

Absolute Value

ceil

Ceiling

cos

Cosine

cosh

Hyperbolic Cosine

floor

Floor

frac

小數部分

int

整數部分

ln

Natural Logarithm

log

Logarithm

not

Boolean NOT

ones

1 的補數

round

Round

sgn

Signum

sin

Sine

sinh

Hyperbolic Sine

sqrt

Square Root

tan

Tangent

tanh

Hyperbolic Tangent

twos

2 的補數