Wow my calcy! The calculator I have bought 3 yrs back is still on top. Hurrah!
It is still the best as far as technology is concerned.
its features include:
1) 2 line display of input, backward calns & results can be easily viewed.
2) 8 line output display.
3)Easy to use
4) with double battery(battery & solar cells)
5) with 50 constants & conversion factors already stored in it with table to use them & other imp. & difficult calculations, right infront of ur eye just on the plastic cover, formulae to calculate values of various functions factorials, integrations, differentiation, logarithms, natural log, etc.in built & with facilities to change the base to binary, hex, octal, degrrs to radians 7 vice-versa is THE BEST technologically. Any power & any root can be found easily.
I just can’t stop writing about it.
It is simply THE BEST electronic device.