# Topics of the menu Algebra

Prime numbers
The prime numbers or twin primes between two natural numbers a and b are calculated.
Prime Factorization
The prime fatorization of a natural number n < 1014 is calculated.
G.C.F. and L.C.M.
The greatest common factor (GCD) the least commun multiple (LCM) and the sets of divisors of up to 10 numbers are calculated.
Decimals to Fractions
Periodical decimals will be transformed to fractions.
Fractions to Decimals
Fractions are transformed in periodical decimals and also the period and its length are determined.
Binomials of n-th Degree
The binomial ( a·x + b·y )n with 1 < n < 500 is calculated.
Equations of 4-th Degree
The solutions of  a·x4 + b·x3 + c·x2 + d·x + e = 0  is calculated .
Diophantine Equations
The integer solutions of  a·x + b·y + c = 0  with a, b, c integer are calculated.
Pythagorean Triples
The pythagorean triples between two bounds are calculated.
Calculators
Calculation in place value systems
Calculation with fractions
Calculation with complex numbers