Casio Fx 991es User Manual
E-36 To input the scientific constant C 0 (speed of light in a vacuum), and display its value (CONST) (C 0 ) To calculate C 0 = 1 0 0 1 A 0 ) (CONST)( μ 0 ) The following shows the two-digit numbers for each of the scientific constants.
Casio Fx 991es User Manual Download

Casio Fx-991es Manual
Fx-570ES PLUS_fx-991ES PLUS_Users Guide_Eng. Use only the type of battery specified for this calculator in this manual. The calculator while the battery is completely dead (fx-991ES PLUS).