Matrix main\eqdef2 for electricity equations
r=(rr1*rr2)/(rr1+rr2)
"parallel resistance"3
vo=v*(rr2/(rr1+rr2))
"voltage divider"2
v=i*r
"Ohm's law"1
c2c1
Matrix main\eqdef3 for physics equations
t=2*Œ*√(l/(d*g*m))
"pendulum"3
x=a*cos(ω*t+φ)
"periodic motion"2
.5*m*v^2=e
"kinetic energy"1
c2c1
When eqlibx() is executed, the first menu is shown:
If we press [2] to choose the 'electricity' menu item, a second menu is shown, from which the desired
equation is selected:
After the equation is selected, the numeric solver is started, and you can set and solve for the variables
as needed.
[9.22] Minimize TI-89 alpha entry inefficiencies
The TI-89 alpha characters share keys with other functions. The characters are in alphabetic order
except that [X], [Y], [Z] and [T] are dedicated keys. Some users find it very tedious to key in
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