Learn WOLFRAM with Real Code Examples
Updated Nov 21, 2025
Code Sample Descriptions
1
Wolfram Language Counter and Theme Toggle
count = 0;
isDark = False;
updateUI[] := (
Print["Counter: ", count];
Print["Theme: ", If[isDark, "Dark", "Light"]];
);
increment[] := (
count += 1;
updateUI[];
);
decrement[] := (
count -= 1;
updateUI[];
);
reset[] := (
count = 0;
updateUI[];
);
toggleTheme[] := (
isDark = Not[isDark];
updateUI[];
);
(* Simulate actions *)
updateUI[];
increment[];
increment[];
toggleTheme[];
decrement[];
reset[];
Demonstrates a simple counter with theme toggling using Wolfram Language variables and functional constructs.
2
Wolfram Language Counter - Basic
count = 0;
isDark = False;
updateUI[] := (Print["Counter: ", count]; Print["Theme: ", If[isDark, "Dark", "Light"]]);
increment[] := (count += 1; updateUI[]);
toggleTheme[] := (isDark = Not[isDark]; updateUI[]);
updateUI[]; increment[]; toggleTheme[];
Basic counter with theme toggle.
3
Wolfram Language Counter - With Decrement
count = 0;
isDark = False;
updateUI[] := (Print["Counter: ", count]; Print["Theme: ", If[isDark, "Dark", "Light"]]);
increment[] := (count += 1; updateUI[]);
decrement[] := (count -= 1; updateUI[]);
toggleTheme[] := (isDark = Not[isDark]; updateUI[]);
updateUI[]; increment[]; increment[]; decrement[]; toggleTheme[];
Adds decrement operation.
4
Wolfram Language Counter - With Reset
count = 0;
isDark = False;
updateUI[] := (Print["Counter: ", count]; Print["Theme: ", If[isDark, "Dark", "Light"]]);
increment[] := (count += 1; updateUI[]);
reset[] := (count = 0; updateUI[]);
toggleTheme[] := (isDark = Not[isDark]; updateUI[]);
updateUI[]; increment[]; increment[]; reset[]; toggleTheme[];
Adds reset operation.
5
Wolfram Language Counter - Inline Toggle
count = 0;
isDark = False;
updateUI[] := (Print["Counter: ", count]; Print["Theme: ", If[isDark, "Dark", "Light"]]);
incrementAndToggle[] := (count += 1; isDark = Not[isDark]; updateUI[]);
updateUI[]; incrementAndToggle[];
Toggles theme inline with increment.
6
Wolfram Language Counter - Conditional Message
count = 0;
isDark = False;
updateUI[] := (Print["Counter: ", count]; Print["Theme: ", If[isDark, "Dark", "Light"]]; If[count == 3, Print["Reached 3!"]]);
increment[] := (count += 1; updateUI[]);
toggleTheme[] := (isDark = Not[isDark]; updateUI[]);
updateUI[]; increment[]; increment[]; increment[]; toggleTheme[];
Prints extra message when counter reaches 3.
7
Wolfram Language Counter - Loop Increment
count = 0;
isDark = False;
updateUI[] := (Print["Counter: ", count]; Print["Theme: ", If[isDark, "Dark", "Light"]]);
increment[] := (count += 1; updateUI[]);
Do[increment[], {i, 5}]; toggleTheme[];
Uses a Do loop to increment multiple times.
8
Wolfram Language Counter - Functional Style
Module[{count = 0, isDark = False},
updateUI[] := (Print["Counter: ", count]; Print["Theme: ", If[isDark, "Dark", "Light"]]);
increment[] := (count += 1; updateUI[]);
toggleTheme[] := (isDark = Not[isDark]; updateUI[]);
updateUI[]; increment[]; toggleTheme[];
]
Uses Module for encapsulated state.
9
Wolfram Language Counter - Combined Increment and Toggle
count = 0;
isDark = False;
updateUI[] := (Print["Counter: ", count]; Print["Theme: ", If[isDark, "Dark", "Light"]]);
incToggle[] := (count += 1; isDark = Not[isDark]; updateUI[]);
updateUI[]; incToggle[]; incToggle[];
Combines increment and toggle in a single function.
10
Wolfram Language Counter - Reset and Loop
count = 0;
isDark = False;
updateUI[] := (Print["Counter: ", count]; Print["Theme: ", If[isDark, "Dark", "Light"]]);
increment[] := (count += 1; updateUI[]);
Do[increment[], {i, 3}]; reset[] := (count = 0; updateUI[]); reset[];
Uses a loop and then resets counter.
11
Wolfram Language Counter - Parameterized Update
count = 0;
isDark = False;
updateUI[c_] := (Print["Counter: ", c]; Print["Theme: ", If[isDark, "Dark", "Light"]]);
increment[] := (count += 1; updateUI[count]); toggleTheme[] := (isDark = Not[isDark]; updateUI[count]);
updateUI[count]; increment[]; toggleTheme[];
Passes counter as argument to update function.