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T073.MCD
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1987-05-13
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944b
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43 lines
14,14
.MCD 11000 0
.TXT 1 0 1 20
1,20
TAKING DERIVATIVES
.TXT 2 4 3 66
3,66
To evaluate a derivative, you must specify the place to evaluate
it, and the expression to evaluate. The derivative key is the
question-mark key (?).
.TXT 4 0 1 13
1,13
Try it now:
.TXT 0 13 1 36
1,36
1. x is already defined as 1 below
.TXT 1 0 1 58
1,58
2. Type a question mark (?). You see the derivative sign
.TXT 1 0 1 62
1,62
3. Move the cursor to the bottom placeholder (■) and type: x
.TXT 1 0 1 59
1,59
4. Move the cursor to the other placeholder and type: e^x
.TXT 1 0 1 42
1,42
5. Type an equals sign to see the answer
.EQN 1 -12 1 8
! rd=d ct=10 im=i et=3 zt=15 pr=3 mass length time charge
x:1
.TXT 6 -1 4 27
4,27
When you're done, you see
the derivative of e to
the x at x=1, as shown at
right:
.EQN 1 32 3 17
x"e^x=2.719?
.TXT 3 -30 1 50
1,50
(Press [F6] to go back to the tutorial menu ...)