Posts on Jiangwei Chonghttps://www.jwchong.com/posts/Recent content in Posts on Jiangwei ChongHugoen-sgWed, 10 Dec 2025 23:35:02 +0800Does rising CPF wage ceiling put more cash in your pocket?https://www.jwchong.com/posts/cpf-wage-ceiling-increase/Wed, 10 Dec 2025 23:35:02 +0800https://www.jwchong.com/posts/cpf-wage-ceiling-increase/How the rising CPF wage ceiling impacts your monthly cash-on-hand after your mortgage payment.The last-digit trick of Unix timehttps://www.jwchong.com/posts/timestamp-last-digit/Wed, 19 Nov 2025 22:23:05 +0800https://www.jwchong.com/posts/timestamp-last-digit/A cute trivia about the last digit of Unix timestampSyfe's embarrassingly misleading fee comparisonhttps://www.jwchong.com/posts/syfe-embarrassingly-misleading-fee-comparison/Sun, 05 Oct 2025 21:29:01 +0800https://www.jwchong.com/posts/syfe-embarrassingly-misleading-fee-comparison/How Syfe makes unfair and highly misleading fee comparison vs DIY investing.How much does your investment grow after contributions?https://www.jwchong.com/posts/future-value-with-contributions/Wed, 01 Oct 2025 00:31:08 +0800https://www.jwchong.com/posts/future-value-with-contributions/Equations for computing how much your investment is worth in the future, with rigorous proofs.What do you get out of CPF LIFE?https://www.jwchong.com/posts/cpf-life-payout-formula/Thu, 28 Aug 2025 22:39:01 +0800https://www.jwchong.com/posts/cpf-life-payout-formula/Reverse engineering the maths behind CPF LIFE payouts.Should you donate to "earn" tax relief?https://www.jwchong.com/posts/sg-donation-tax-relief/Tue, 26 Aug 2025 22:57:21 +0800https://www.jwchong.com/posts/sg-donation-tax-relief/Donate money to reduce tax: do you actually pay less?AES(AES(AES(...))): What happens if you keep encrypting?https://www.jwchong.com/posts/what-happens-if-repeated-aes/Fri, 22 Aug 2025 00:01:21 +0800https://www.jwchong.com/posts/what-happens-if-repeated-aes/What value do you end up?Why low interest ≠ low cost?https://www.jwchong.com/posts/why-low-interest-doesnt-mean-low-cost/Sat, 16 Aug 2025 17:04:54 +0800https://www.jwchong.com/posts/why-low-interest-doesnt-mean-low-cost/When 0% interest isn’t.How do mortgage calculators work?https://www.jwchong.com/posts/mortgage-formula/Thu, 14 Aug 2025 22:58:29 +0800https://www.jwchong.com/posts/mortgage-formula/Mortgage maths with huge consequences.Hornet punchinghttps://www.jwchong.com/posts/hornet-punching/Mon, 26 Apr 2021 01:44:29 +0800https://www.jwchong.com/posts/hornet-punching/How hornets can fly through walls in Half-Life.Stamina in Counter-Strike 1.6https://www.jwchong.com/posts/counter-strike-stamina/Fri, 12 Mar 2021 00:00:00 +0000https://www.jwchong.com/posts/counter-strike-stamina/You run slower and jump lower when you’re tired in CS1.6!Bounding box of a corpsehttps://www.jwchong.com/posts/corpse-bounding-box/Sat, 06 Mar 2021 20:36:40 +0800https://www.jwchong.com/posts/corpse-bounding-box/Why do dead bodies block you in Half-Life?Wrench in Opposing Forcehttps://www.jwchong.com/posts/opposing-force-wrench/Mon, 01 Mar 2021 00:20:36 +0800https://www.jwchong.com/posts/opposing-force-wrench/Opposing Force’s crowbar.Why only human grunts duplicate ammo dropshttps://www.jwchong.com/posts/npc-ammo-duplication/Sat, 13 Feb 2021 17:20:04 +0800https://www.jwchong.com/posts/npc-ammo-duplication/If only we get to do this with other NPCs…