Welcome to the site of Hsing Lo

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April 11, 2024: April 2024 total solar eclipse added.

March 19, 2024: Major changes to the photography portfolio. Click to read.

Main portfolio

Solar Eclipse of April 2024

4th of July Fireworks 2023

Lunar eclipse of November 2022

Catalog of lunar photographs


April 4, 2024: Sudoku generator added.

Sudoku puzzle generator

Estimating the area of the Mandelbrot set

Number to English words (a function)

To use black or white text given a background color

The "Map of History" map

Summatory Liouville function program

Cool webpages

Double pendulum simulator

Guess the RGB color


Live continuous interest calculator

Chess FEN string decoder

Snowflake format ID decoder (Twitter/Discord)

Reaction time test

External links & other stuff

GitHub. NTPPool. YouTube.
Blank page. Do a barrel roll. More stars.

Flying Bat. Site status. Privacy and Copyright. Email and Keys.
© MMXVIII - MMXXIV, Hsing Lo, All rights reserved.