Demo Projects by Nick Lonz

Fun, educational, and interactive HTML projects — all open source

🏠 RatioRevamp: Property Assessment Adjuster

Enter your property value and municipal ratio to calculate the adjusted assessed value and a ±15% confidence band. Download a PDF report instantly.

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🎪 Big Top Guess

Carnival-style guessing game: Pick a number between 1 and 10. You get 3 chances to guess right. Features animated results and probability tips.

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🎈 Clown’s Balloon Bonanza

Peek behind 3 doors, then guess the 3 with matching balloons. A visual and memory-based circus game with animated elements.

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⏱️ Five-Minute Frenzy

A writing timer with millisecond countdown and word count tracker. Designed to spark creativity under pressure with urgency warnings.

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⚖️ Duo Ratio Calculator

Input any two numbers to compute their Duo Ratio: product divided by their sum. Clean visual display and error handling included.

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🔢 FiboPhoria: The Golden Code

Generates Fibonacci numbers with a visual spiral and real-world applications in nature, math, engineering, and finance.

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🤠 High Noon: Number Showdown

Guess whether each round’s number will be high (6–10) or low (1–5). Get 7 out of 10 to win the Wild West duel!

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🥪 Picnic Pick-Off

Two-player food guessing game. Choose between a hamburger or hotdog — first to 3 correct wins! Playful picnic theme and turn-based tracking.

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🧪 Prime Checker Meter (Lite)

Enter a number and see a visual “meter” check whether it’s prime. Simulates trial division with animated steps.

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📘 Prime Checker Meter (Lesson)

Enhanced version of the prime meter with educational explanations and visual divisor testing. Great for teaching prime logic!

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🔍 Prime Checker Meter (Standard)

Another interactive version of the Prime Checker. Watch each divisor test update visually to see how primes are identified.

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📊 Prime Time Generator

Click one button to list all prime numbers between 1 and 1000. Clean, fast, and formatted in classic hacker terminal style.

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🚶 Step to Distance Converter

Input a number of steps and instantly see the equivalent in miles, feet, yards, inches, and furlongs — with formatted output and defaults.

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🌡️ Fahrenheit → Celsius Converter

Quickly convert temperatures from Fahrenheit to Celsius with clean, readable output.

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🎲 Number Guess Game

Classic 1–100 number guessing game with feedback after each attempt.

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❌⭕ Tic‑Tac‑Toe

Play human vs human on a 3×3 grid with simple win detection.

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🧾 Expense Tracker (Python)

CLI-based expense tracker written in Python. Add, list, and manage expenses locally.

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🧰 Task Manager (Python)

Minimal command-line task manager with add/list functionality.

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🧮 Python Calculator App

Simple calculator application (Python). Good starter for GUI/CLI extensions.

Open Folder on GitHub

📋 Python To‑Do App

Lightweight to‑do list manager built in Python.

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💳 Expense Tracker – Next.js

Frontend web expense tracker built with Next.js.

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🤖 Expense Tracker – AI

Experimental AI‑assisted expense tracker prototype.

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