Functions

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, or underscores. 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.

The following functions are defined.

Trigonometry

sin

Sine

cos

Cosine

tan

Tangent

sin⁻¹ / asin

Inverse Sine

cos⁻¹ / acos

Inverse Cosine

tan⁻¹ / atan

Inverse Tangent

sinh

Hyperbolic Sine

cosh

Hyperbolic Cosine

tanh

Hyperbolic Tangent

sinh⁻¹ / asinh

Inverse Hyperbolic Sine

cosh⁻¹ / acosh

Inverse Hyperbolic Cosine

tanh⁻¹ / atanh

Inverse Hyperbolic Tangent

Complex

conj

Complex Conjugate

arg

Complex Argument

re

Real Component

im

Imaginary Component

Programming

ones

Ones’ Complement

twos

Two’s Complement

bswap

Swap Endianness

mod

Modulus Divide

modexp

Modular Exponentiation

Rounding

round

Round

floor

Floor

ceil

Ceiling

int

Integer Component

frac

Fractional Component

Statistics

sum

Sum

sumsq

Sum of Squares

average

Average

median

Median

min

Minimum Value

max

Maximum Value

stdev

Sample Standard Deviation

stdevp

Population Standard Deviation

var

Sample Variance

varp

Population Variance

Sundry

log

Logarithm

ln

Natural Logarithm

sqrt

Square Root

abs

Absolute Value

sgn

Signum

ncr

Combination

npr

Permutation

gcd

Greatest Common Divisor

lcm

Least Common Multiple

cmp

Comparison (Kronecker Delta)