Arithmetic operationss

• Pascal's triangle
• Numerical integration/Gauss-Legendre Quadrature
• Leonardo numbers
• Thiele's interpolation formula
• Multiplication tables
• Number names
• Factorial
• Zeckendorf arithmetic
• Sum of squares
• Sum and product of an array
• Greatest element of a list
• Fibonacci sequence
• Catalan numbers
• Arithmetic/Integer
• Trigonometric functions
• Sum of a series
• Arithmetic/Rational
• Happy numbers
• Roots of unity
• Two Sum
• Numerical integration
• Non-decimal radices/Convert
• Exponentiation operator
• Arithmetic/Complex
• Ethiopian multiplication
• Forward difference
• Long multiplication
• Sequence of non-squares
• Commatizing numbers
• Safe addition
• Roots of a quadratic function
• Roots of a function
• Formal power series
• Non-decimal radices/Output
• Non-decimal radices/Input
• Problem of Apollonius