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- 13,17
- .MCD 11000 0
- .TXT 1 0 1 20
- 1,20
- DEFINITE INTEGRALS
- .TXT 2 4 2 68
- 2,68
- To evaluate a definite integral, press the ampersand key (&) and
- fill in the blanks. (The ampersand key is [Shift]7.) Try it now:
- .TXT 3 0 1 75
- 1,75
- 1. Type an ampersand (&). You see an integral with four placeholders (■).
- .TXT 1 0 1 59
- 1,59
- 2. Move the cursor to the top placeholder and type: 2
- .TXT 1 0 1 59
- 1,59
- 3. Move the cursor to the bottom placeholder and type: 1
- .TXT 1 0 1 63
- 1,63
- 4. Move the cursor to the middle placeholder and type: ln(x)
- .TXT 1 0 1 59
- 1,59
- 5. Move the cursor to the end placeholder and type: x
- .TXT 1 0 1 48
- 1,48
- 6. Press the equals sign (=) to see the answer
- .TXT 6 0 1 55
- 1,55
- When you're done, the integral should look like this:
- .EQN 2 2 3 24
- ! rd=d ct=10 im=i et=3 zt=15 pr=3 mass length time charge
- (1&2`ln(x)&x)=0.386?
- .TXT 3 10 1 27
- 1,27
- (Press [F6] to go on ...)
-