Enter command or expression to evaluate.#NEWLINE##SYNTAXHIGHLIGHT#Example: 2+3-cos(3)#NORMALTEXT##NEWLINE# #NEWLINE#More help is available for designated topics.#NEWLINE#----------------------------------------------------#NEWLINE#functions Miscellaneous functions#NEWLINE#trigon Trigonometric functions#NEWLINE#hyper Hyperbolic functions#NEWLINE#early Early trigonometric functions#NEWLINE#complex Syntax for complex numbers#NEWLINE#statements Available statements#NEWLINE#operators Supported operators#NEWLINE#----------------------------------------------------#NEWLINE##SYNTAXHIGHLIGHT#Example: help trigon#NEWLINE#
----------------------------------------------------#NEWLINE#abs Absolute value of number#NEWLINE#sgn Mathematical signum function#NEWLINE#round Round to nearest integer number#NEWLINE#trunc Discard fraction part of number#NEWLINE#floor Mathematical floor function#NEWLINE#ceil Mathematical ceiling function#NEWLINE#sqrt Square root function (exp 1/2)#NEWLINE#cbrt Cube root function (exp 1/3)#NEWLINE#lb Binary logarithm function (base 2)#NEWLINE#ln Natural logarithm function (base e)#NEWLINE#lg Common logarithm function (base 10)#NEWLINE#----------------------------------------------------#NEWLINE##SYNTAXHIGHLIGHT#Example: round(1.55)#NORMALTEXT##NEWLINE#
----------------------------------------------------#NEWLINE#ver Versed sine function#NEWLINE#vcs Versed cosine function#NEWLINE#cvs Coversed sine function#NEWLINE#cvc Coversed cosine function#NEWLINE#hv Haversed sine function#NEWLINE#hvc Haversed cosine function#NEWLINE#hcv Hacoversed sine function#NEWLINE#hcc Hacoversed cosine function#NEWLINE#aver Inverse versed sine function#NEWLINE#avcs Inverse versed cosine function#NEWLINE#acvs Inverse coversed sine function#NEWLINE#acvc Inverse coversed cosine function#NEWLINE#ahv Inverse haversed sine function#NEWLINE#ahvc Inverse haversed cosine function#NEWLINE#ahcv Inverse hacoversed sine function#NEWLINE#ahcc Inverse hacoversed cosine function#NEWLINE#----------------------------------------------------#NEWLINE#Inverse functions can be prefixed with ar or arc #NEWLINE#instead of a.#NEWLINE#
Expressions with complex numbers are written using an i to denote#NEWLINE#the imaginary value. Complex numbers can seamlessly be mixed with#NEWLINE#real numbers.#NEWLINE##SYNTAXHIGHLIGHT#Syntax: 2+3i#NEWLINE#Example: 2+3.2i*cos(-1i)+5/7#NEWLINE#
The def statement is used to define functions. When defining a function#NEWLINE#it is possible to omit the def keyword. Defined functions can be shown#NEWLINE#using the functions statement.#NEWLINE##SYNTAXHIGHLIGHT#Syntax: def f(x)=2*x+3#NEWLINE#Optional syntax: f(x)=2*x+3#NEWLINE#
The delete statement can delete variable and functions. To delete a#NEWLINE#single variable or functions use the name of the function or variable.#NEWLINE#To delete all functions or variables specify either the variable or#NEWLINE#function keyword.#NEWLINE##SYNTAXHIGHLIGHT#Syntax: delete f(x)#NEWLINE#Syntax: delete variables#NEWLINE#
The digits statement defines the displayed number of significant digits.#NEWLINE#To show current configuration use the digits statement without specifying#NEWLINE#the number.#NEWLINE# #SYNTAXHIGHLIGHT#Syntax: digits 7#NEWLINE#
The eval statement evaluates an expression. When evaluating an expression#NEWLINE#it is possible to omit the eval keyword.#NEWLINE##SYNTAXHIGHLIGHT#Syntax: eval 2.4*x+3.2#NEWLINE#Optional syntax: 2.4*x+3.2#NEWLINE#
The input statement either changes or shows the how numeral input is interpreted.#NEWLINE#Possible input systems are: binary, octal, decimal and hexadecimal. Default is#NEWLINE#decimal. To use positional systems with other bases specify the base number.#NEWLINE#Numeral output system can be modified using the output statement.#NEWLINE##SYNTAXHIGHLIGHT#Syntax: input hexadecimal#NEWLINE#Syntax: input 4#NEWLINE#
The output statement either changes or shows the how numeral output is shown.#NEWLINE#Possible output systems are: binary, octal, decimal and hexadecimal. Default#NEWLINE#is decimal. To use positional systems with other bases specify the base number.#NEWLINE#Numeral input system can be modified using the input statement.#NEWLINE##SYNTAXHIGHLIGHT#Syntax: output octal#NEWLINE#
The load statement retrieves a set of defined variables and functions from#NEWLINE#a file. Variables and functions can be saved using the save statement.#NEWLINE##SYNTAXHIGHLIGHT#Syntax: load "savedwork"#NEWLINE#
The save statement saves defined variables and functions to a file in a#NEWLINE#plain text format. Saved variables and functions can be retrieved using#NEWLINE#the load statement.#NEWLINE# #SYNTAXHIGHLIGHT#Syntax: save "worktokeep"#NEWLINE#
The variable statement shows a list of variables in memory.#NEWLINE##SYNTAXHIGHLIGHT#Syntax: variables#NEWLINE##NORMALTEXT#optional syntax: vars#NEWLINE#
Euler's number is base of the exponential function which equals its own#NEWLINE#derivative. It is approximately equal to 2.71828.#NEWLINE##SYNTAXHIGHLIGHT#Example: ln(e)#NEWLINE#
Pi is the ratio of the circumference of a circle to its diameter. Being an#NEWLINE#irrational number, pi cannot be expressed exactly as a common fraction.#NEWLINE#The value of pi is commonly approximated as #SYNTAXHIGHLIGHT#3.14159#NORMALTEXT#.#NEWLINE#
The imaginary unit is denoted and commonly referred to as i.#NEWLINE#The imaginary unit is a number, which when multiplied#NEWLINE#by itself gives -1.#NEWLINE#
