The author Ivan Nikolov was born on August 1, 1975 in Sofia, BulgariaThis book consists of the 14 following A method to discover new types of n-dimensional oval forms.2. Calculating the prime number, referring to its serial number,and calculating the prime number serial number, and the nextprime number, and the sum of all prime numbers from the beginningto the prime number inclusive, referring to the primenumber.3. Partial analysis of sums and differences.4. A method to convert large integers from the decimal numeralsystem into binary, quaternary, octal and hexadecimal numeralsystems and back to decimal numeral system.5. Elements quantity enumeration of the eight basic number sets,and calculation of the sum and product of these elements.6. The irrational numbers. The formula of the number Pi.7. A method of calculating large and multi-digit numbers.8. Palindromic number analysis.9. Pascal’s triangle and its applications.10. A method to determine the formula of the power series1k+2k+3k+...+n^k for a desired k.11. How, by a chosen limit of a sequence, to compose a sequencetending to this limit.12. A method to calculate Pythagorean triples numbers accordingto a given first (smallest) number.13. A method for calculation of graphs.14. A method to determine prime numbers.