Black-Scholes formula… maybe not as important and well-known as compounding interest-rate but still the most famous formula among options traders. Here are the formulas that you will find in financial books.
[Read More]"The noblest pleasure is the joy of understanding" - Leonardo Da Vinci
"If you can't explain it simply, you don't understand it well enough" - Albert Einstein
Year 2020
Review
Ternary (trinary) vs. binary
Computers
We all know the binary system but a few heard about ternary (trinary) system; one of the first computer in Soviet Russia was using ternary system but it went out of fashion and binary system took over.
[Read More]Generate IOTA address
IOTA
Generate IOTA address using plain old Python, starting with random seed, derive private key, and finally the checksum and address.
[Read More]Interest rate
Finance
Compound interest is the eighth wonder of the world
- He who understands it… earns it!
- He who doesn't … pays it!
– Albert Einstein
[Read More]Algebraic structures: Set, Group, Ring
Math
The easiest way to understand algebraic structures, starting with basic structure called Set and incrementally add properties on top of it to build more complex structures.
[Read More]Generate Ethereum Address
Ethereum
Generate Ethereum address from private key using plain old Python3, Elliptic Curve multiplication from SageMath and of course Keccak hash function.
[Read More]Session breaks
Trading
The most successful indicator so far is "Session breaks" that renders vertical lines for open hour of each trading session.
[Read More]First USA visit
Travel
It's been 20 fuckin' years since I set foot on the US soil for the very first time…
[Read More]Hash functions
Cryptography
In simple terms, hash functions transform input data of arbitrary size (e.g. text, binary, etc) to fixed-length output (called hash value, hash code, fingerprint, message digest or simply hash) in a deterministic way. What else?
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