(V o lu m e o f a Sphere)
Press (2nd F) ^ to get 5;
Key in: f (J) = 1 .3 3 tt J fY * ] 3
S w itc h th e m ode to COMP
If yo u now w ish to use the equ a tio n on line 4:
Key in: (2nd F) \ 4 '. \ (above the I key)
Note th a t if yo u press (2nd F) I CA l in the A E R m ode all five fo rm u la lines w ill be cleared. C orrectio ns on separate lines
may on ly be m ade by using the e d itin g fu n c tio n s.
6. Program Steps
The capacity o f th e E L -5100 fo r sto ring algebraic fo rm ula s is 80 steps.
If the 8 0 th step is loaded w ith an in s tru c tio n , the flic k e rin g cu rsor appears over th a t instru c tio n . In p u ttin g o f fu rth e r
in stru ctio n s o nly causes the in s tru ctio n stored in th e 8 0 th step to be replaced by each new in s tru ctio n .
The refo re, an algebraic fo rm u la m ust be com posed of and stored w ith in 80 steps. S cie n tific fu n ctio n s are fu lly merged and
th e re fore represent only one step each. F or instance, S IN , COSH , T A N H ’ 1 , LO G , represent one step each.
Each num eral and th e decim al p o in t represent a step. T he refo re, if a fo rm u la includes a co nsta n t w ith m ore than one
num eral, it m ay be advisable to use a le tte r (i.e., A ~ J) to save steps.
The cursor may be used to c o u n t steps, as it w ill stop only once at a fu lly merged s cien tific fu n c tio n .
End of supplementary — 5 lines and steps
47
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