Chang's Math blog
Compilation of all things math --- questions obtained via students' consultation, related math sites. * Do also check out my EduTech contributions at go.gov.sg/changcl
Saturday, July 18, 2026
Friday, July 17, 2026
Thursday, July 16, 2026
Numbers in relation to our lifetime ( Significance of numbers in our lives )
How many moments (seconds) have we lived? 🤔
For a centenarian, his/her heart would have beaten 3 153 600 000 times (read as "That number is three billion, one hundred fifty-three million, six hundred thousand.) ie. 3 billion times in 1 lifetime.
Internet speed is in the range of 500 Mbps (500 000 000 bits per second) or 10 Gbps (10 000 000 000 bits per second)
Wednesday, July 15, 2026
Tuesday, July 14, 2026
Monday, July 13, 2026
Sunday, July 12, 2026
Saturday, July 11, 2026
Thursday, July 9, 2026
Tuesday, July 7, 2026
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