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math.HO2026
Celebrating the Day of : Joyful Variations on Euler's Identity
Takao Inoué
This short essay celebrates the mathematical meaning of Pi Day through Euler's formula \[ e^{ix}=\cos x+i\sin x, \] from which Euler's identity \[ e^{iÏ}+1=0 \] follows immediatel…
math.HO2025
On humanization of mathematics: aesthetic mathematics
Takao Inoué
This paper examines various methods and ideas for humanizing mathematics. The term 'humanizing mathematics' which includes elements of 'aesthetic mathematics' refers to approaches…