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| Gurin | Makkun | Math Doc |
| LastUpdate 11/11/2025 |
| １．Interesting "Android App"！ | 【Introducing high school Math self-made simulation android smartphone & tabllet app】 |
| ２．The World of "GRAPES" ! | 【Consider how to use Mathematical function graphing software "GRAPES" in high school Mathematics】 |
| ３．Formula Manipulation Software "Maxima"! | 【Consider how to use "Maxima" in high school Mathematics】 |
| ４．The World of "Infinite Series" ! | 【Consider pi , the base e of natural logarithm , and the natural number 1 by infinite series】 |
| ５．"Throw Coins to Find an Approximation of Pi"！ | 【Introducing self-made simulation software that can be used in high school Math】 |
| ６．"Shopping Boy"！ | 【Introducing self-made software that can be used in life unit learning at special needs schools】 |
| ７．Calculation Drill Software "AddSubtract Boy"！ |
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| ８．The World of "Excel"！ | 【Think about how to use the spreadsheet software "Excel" in high school Mathematics】 |
| ９．The World of "UBASIC"！ | 【Consider how to use the programming language "UBASIC" in high school Mathematics】 |
| １０．Learning software "Makkun's Training Trip 2008 for Windows"！ | 【Introduction to high school mathematics review software】 |
| １１．Learning software "Makkun's Training Trip 20 for Windows"！ | 【Introduction to software for beginners in high school mathematics】 |
| １２．Self-made Web Page Link Collection | 【 "Subject Imformation","Malaysia","University
Malaya","Uenaegi","Koeji Castle", "Singapore" ,"PC Music","Malay", "Cambodia" , etc.】 |