Learn how to fully use the app
Numbers from 0 to 9 can be used in maths expressions.
Examples: 2, 32, …
Variables are a letter from a to z or a letter of greek alphabet. Warning: name can be only one character long!
Examples: a, x, …
You can give an index to a variable using an _ (underscore) after the name. An index can be only one number or one letter.
Examples: x_1, x_2, …
Variable can be also a function of a variable if you name it like f(x). Then you can use it with any expression like f(2).
Examples: f(x), g(z), …
What would be maths without operations between numbers? You can use classic operations: + (addition), - (subtraction), * (multiplication) and / (division).
Examples: x + 1, 1 / x, …
You can also use ^ (power) and √ (square root) in your expressions. If the expression after the operation sign is a composed expression, please add () (braces) to it. (see examples)
Examples: x ^ 2, 2√2, √(x+1), …
Modulo (remainder of a division) is available with %. For exemple, 5 % 2 will return 1 because 5 = 2 * 2 + 1.
Examples: 5 % 2, a % b, …
Having two expressions seperated with an equation operator will be considerated as an equation. You can use = (equals), != (unequals), > (greater than), < (less than), >= (greater than or equals) and <= (less than or equals).
Examples: x = 2, 2a < 5, …
You can create a list/set of expressions using {}, separating expressions with , (comma).
Examples: {2, 4, 6}, {x, 2x, 3x}, …
variable with default value Create a cell to set a value to the variable for algorithm process.
Example: Ask for a with default 1
| Parameter | Role |
|---|---|
variable | Variable name |
value | Default value in the cell |
variable to value Set the value of the variable when called.
Example: Set n to n + 1
| Parameter | Role |
|---|---|
variable | Variable name |
value | Value given to the variable |
variable Unset the variable when called.
Example: Unset n
| Parameter | Role |
|---|---|
variable | Variable name |
condition If the condition is true, the code between If and Else will be executed. Else, the code between Else and End will be executed.
Example: If a = 1
| Parameter | Role |
|---|---|
condition | The equation that will be checked |
condition The code between While and End will be repeated while the condition is true.
Example: While a < 10
| Parameter | Role |
|---|---|
condition | The equation that will be checked |
variable in list The code between For and End will be repeated for each value of the list, available in a variable.
Example: For x in {0, 1, 2}
| Parameter | Role |
|---|---|
variable | The variable containing the current value |
list | The list of values to iterate |
variable Print in a cell the value of the variable or the expression.
Example: Print variable x
| Parameter | Role |
|---|---|
variable | Variable name or expression |
variable Print in a cell the approximated value of the variable or the expression, if possible.
Example: Print approximated value of e ^ 2
| Parameter | Role |
|---|---|
variable | Variable name or expression |
text Print in a cell the given text. You can use "" to print a variable in the text.
Example: Print text "n" is even
| Parameter | Role |
|---|---|
text | Text to be printed |
variable Create an empty list in the given variable.
Example: Create list l
| Parameter | Role |
|---|---|
variable | Variable name |
value to variable Add a value to the list
Example: Add 2 to l
| Parameter | Role |
|---|---|
value | Value to add to the list |
variable | Variable containing the list |
value from variable Remove a value from the list
Example: Remove 2 from l
| Parameter | Role |
|---|---|
value | Value to remove from the list |
variable | Variable containing the list |
text Init quiz with a title. You can use "" to print a variable in the text.
Example: Init quiz Solve the equation:
| Parameter | Role |
|---|---|
text | Title of the quiz |
text Add text to quiz.
Example: Add text "ax + b" = 0
| Parameter | Role |
|---|---|
text | Text to be printed |
text with correct as correct answer Add a field to enter a value, where correct is the correct answer.
Example: Add input x with -b / a as correct answer
| Parameter | Role |
|---|---|
text | Text for this value |
correct | Correct value |
Show the quiz to user.