A blog is that is all about mathematics and calculators, two of my passions in life.
Thanks to the Calculator Store in Spain! :)This is a HP 50g, only in a blue case. Eddie
HP 20S: Acoustics Programs Program A: Speed of Sound in Dry Air cs = 20.05 × √(273.15 + T°C) Code: 01: 61, 41, A: LBL A 02: ...
