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- 10,5
- .MCD 11000 0
- .TXT 1 0 1 30
- 1,30
- DEFINITIONS AND CALCULATIONS
- .TXT 2 4 3 71
- 3,71
- In a typical MathCAD document, you define variables and calculate
- results. A definition has a ":=" (created by typing a colon) that
- means "is defined as." A calculation equation has an equals sign (=).
- .TXT 4 0 1 27
- 1,27
- Try typing two equations:
- .TXT 0 28 1 20
- 1,20
- 1. Type this: time
- .TXT 1 0 1 28
- 1,28
- 2. Press the colon key (:)
- .TXT 1 0 1 22
- 1,22
- 3. Type the number 5
- .TXT 1 0 1 18
- 1,18
- 4. Press [Enter]
- .TXT 1 0 1 27
- 1,27
- 5. Type this: -16*time^2=
- .TXT 1 0 1 24
- 1,24
- 6. Press [Enter] again
- .TXT 5 -28 4 22
- 4,22
- When you're done,
- the two equations
- should appear as
- shown at right:
- .EQN 0 26 1 11
- ! rd=d ct=10 im=i et=3 zt=15 pr=3 mass length time charge
- time:5
- .EQN 2 0 2 20
- -16*time^2=-400?
- .TXT 3 -10 1 27
- 1,27
- (Press [F6] to go on ...)