Cross Multi - Rule of Three

Master the rule of three instantly! Solve proportions, visualize step-by-step math cross-multiplications, and track your calculation history with a futuristic UI.

Struggling with proportions, scaling, or finding that missing value? Say hello to the ultimate Cross Multiplication & Rule of Three calculator. Whether you are scaling a recipe, converting currencies, solving physics problems, or just doing quick everyday math, this app delivers instant answers with absolute clarity.

Unlike standard calculators, this app doesn't just give you the final number—it completely deconstructs the math so you can see exactly how the formula works.

WHY CHOOSE THIS APP?

• Visual Rule of Three Grid: Input your known values into an intuitive, cross-linked layout and watch the app isolate the unknown variable instantly.
• Step-by-Step Breakdowns: Tap solve to reveal the full algebraic breakdown: the initial setup equation, the cross-multiplication product, the final division step, and the final answer.
• Smart History Log: Never lose track of your work. Every calculation is automatically logged with a traditional ratio string notation alongside the exact timestamp.
• One-Tap Copy: Effortlessly copy your final results to your clipboard to paste them into messages, notes, or documents.
• Futuristic & Clean UI: Experience a gorgeous, dark-mode design with glowing neon accents designed for high contrast and seamless usability.

PERFECT FOR:

• Students & Teachers: Visualizing algebraic ratios and understanding the step-by-step logic behind cross-multiplication.
• Designers & Developers: Quickly calculating aspect ratios, scaling UI elements, or converting screen dimensions.
• Chefs & Bakers: Scaling ingredient portions up or down effortlessly.
• Travelers & Shoppers: Handling custom currency conversions or comparing unit prices on the fly.

Simplify your math today. Download Cross Multiplication - Rule of Three and get calculating in seconds!