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**Arbitrary Faces**

I am doing sample caricature these days. I have bought Faber-Castle sketching pencils and using these I have drawn typical face shapes. I have to perfect these in real photographs. Musicians and politicians. Indian politicians are the second set of people I...

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**My favourite five internet destinations**

My favourite five internet destinations are :- Google news Wolfram, emathhelp, symbolab Quora My bank site(SBI) Microsoft office Flowcharts, bollywood music, caricatures, biography(not works) of mathematicians are frequented sites from Google search.

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**Further food machines**

Banana Peelers - Raw Banana peelers can be tough. Alternate horizontal and vertical spikes, alternated many times, over a narrow passage for raw bananas should be able to peel raw bananas. Food consistency vessel - A cooking vessel with many and different r...

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**More on Vilvam tree**

I had already talked on √2 based on vilvam / bael twig and its leaves. The continued fraction was [1,1,2,1,2,1,2, . . . . . . ] It takes an expert to say that √3 is due to wind on √2 leaves. What will happen when wind blows on a bael twig. The two leaves w...

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**Euler and**

**#PythaShastri**

First things first. Most of basic feelings of mathematicians are basic. Euler talked on primes. #PythaShastri had vision of measuring behaviour. Euler was able to utilise primes in numbers in 3 ways. 2 for pi and 1 for Riemann zeta functions. #PythaShastri ...

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**Puzzle 2 - Rice Plate**

Raghavan was a bachelor and was an interior designer. He came to Kolkata 40 years back from his village in south leaving behind ages of agricultural practice of rice growing. Raghavan was asked by his boss to entertain six people with lunch on a Sunday. His...

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**Puzzle 1 - Musical Chairs**

Tarun was always chided by his wife Jaishree that he did not socialize much and was silent in parties. Jaishree wanted Tarun to be a star of parties. Tarun realized that to win the heart of Jaishree, he needed to impress people attending these parties. Most...

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**Expression for Pi (π)**

I got an expression for π. It was tough. It was daunting. There are very few expressions for π. So, here is my expression:- π = 3√3(1 - 1/3 - 1/4 + 1/6 + 1/7 - 1/9 - 1/10 + . . . . . . . .)

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**The journey stops**

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**√2 and √3**

√2 and √3 were known in earliest of civilizations and have been followed by generations. 0 to 1 (or) Riemann zeta functions is new knowledge. Though I got involved in Riemann zeta functions, √2 and √3 are close to me and most of the constants are expressed ...

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