There are two important rules for solving the topic solution of triangle today, namely sine rules and cosine rules . The sine rule is used to find a non-included angle when are given two sides and a non-included angle or the opposite side angle given when are given two angles and one side. The cosine rule normally is used to find the included angle when are given three sides or the third side when are given two sides and the included angle. Peter Chew Method allow us to find the third side simple and directly when given two sides and a non-included angle. Peter Chew rule allow us to find a non included angle simple, directly and more accurately when given 2 sides and an included angle.

Today's online calculators only contain the knowledge already explained in the book, such as the topic solutions of the triangle rule, sine and cosine rules. For problems that cannot be solved directly by the sine or cosine rules, online calculators such as Wofram alfa and Symbolab cannot help students solve the problem directly. This will result in students not being interested in using technology such as online calculators when learning mathematics. In order to solve the above problems, i create Peter Chew Method , Peter Chew Rule and Peter Chew Triangle Diagram to supplement the necessary information to complete the topic of solution of triangle.

With the help of Peter Chew Method and Peter Chew Rule, Peter Chew Triangle Diagram can guide user to solve all triangle problems with simple solution, only need to use one rule and only once. Aply Peter Chew Triangle Diagram to Education 4.0 Calculator , Peter Chew Triangle Diagram Calculator allows the Calculator to solve any problems in the topic solution of triangle simple, directly and more accurate. This can be effective in increasing students' interest in using technology while learning mathematics and will help in the learning of mathematics, especially when similar covid-19 issues arise in the future.

Main page of Education 4.0 Calculator , Peter Chew Triangle Diagram Calculator

For more information of Education 4.0 Calculator, please refer to the YouTube link https://youtu.be/zSLS1hFh5GI [ Education 4.0 Calculator ].

Peter Chew's triangle diagram will suggest a better single rule that enables us to solve any problem topic solution of triangle simple, directly, more easily and more accurately. Peter Chew Triangle Diagram provides a complete design of AI age knowledge for the topic solution of triangle. The application of Peter Chew triangle diagram in the Peter Chew Triangle Diagram Calculator allows the calculator solve any problem in the topic solution of triangle simple, directly and more accurately, which can effectively help the teaching of mathematics, especially when similar covid-19 problems arise in the future. The main goal of Peter Chew's rules and methods is to simplify the solution, which is the same as Albert Einstein's famous quote: Everything should be made as simple as possible, but not simpler.

In addition, Albert Einstein's also quote :

i) If you can't explain it simply you don't understand it well enough,

ii)We cannot solve our problems with the same thinking we used when we created them.

iii) When the solution is simple, God is answering

From the Albert Einstein's quote above, it can be seen that simplifying knowledge is very important.