Convert to/from Roman numerals
Convert decimal to binary
Calculate area of a circle
Calculate combinations (nCr)
Calculate volume of a cube
Calculate volume of a cylinder
Calculate distance between points
Calculate factorial of a number
Generate Fibonacci sequence
Find Greatest Common Divisor
Convert to hexadecimal
Find Least Common Multiple
Convert to octal
Calculate percentages
Calculate percentage change
Find percentage of a number
Calculate permutations (nPr)
Check if number is prime
Calculate triangle sides
Solve quadratic equations
Generate random numbers
Calculate rectangle area
Calculate line slope
Calculate sphere volume
Calculate trapezoid area
Calculate triangle area