Notes concerning “Hand computers”

• Fast geographical maps on Android 2015-10-16 (9 minutes)
• Distributed computing environment 2017-07-19 (8 minutes)
• Notes on QR code capabilities on typical Android hand computers 2018-09-10 (2 minutes)
• Stereographic map app 2018-12-02 (2 minutes)
• How to make Dercuano work on hand computers? 2019-05-18 (updated 2019-12-30) (61 minutes)
• First impressions on using the μMath+ calculator program for Android 2019-05-21 (13 minutes)
• $1 recognizer diagrams 2019-08-11 (updated 2019-10-24) (15 minutes)
• Complex linear regression (in the field ℂ of complex numbers) 2019-08-17 (updated 2019-08-18) (9 minutes)
• Multitouch and accelerometer puppeteering 2019-08-29 (updated 2019-09-01) (12 minutes)
• Notes on local file browsing 2019-09-15 (updated 2019-09-28) (4 minutes)