Mathematics Tools

Convert between Roman numerals and decimal numbers in both directions. Learn about Roman numeral system with examples and explanations.

Convert between hexadecimal and decimal numbers with browser-based conversion history and explanations.

Convert between Celsius, Fahrenheit, Kelvin, and Rankine with browser-based conversion history and formulas.

Calculate probability of coin flip outcomes with step-by-step examples. Track results with browser-based calculation history and detailed explanations.