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Answers to Exercises
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This section includes answers to all the exercises in the Calc
tutorial.
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- RPN Answer 1
- 1 RET 2 RET 3 RET 4 + * -
- RPN Answer 2
- 2*4 + 7*9.5 + 5/4
- RPN Answer 3
- Operating on levels 2 and 3
- RPN Answer 4
- Joe's complex problems
- Algebraic Answer 1
- Simulating Q command
- Algebraic Answer 2
- Joe's algebraic woes
- Algebraic Answer 3
- 1 / 0
- Modes Answer 1
- 3#0.1 = 3#0.0222222?
- Modes Answer 2
- 16#f.e8fe15
- Modes Answer 3
- Joe's rounding bug
- Modes Answer 4
- Why floating point?
- Arithmetic Answer 1
- Why the \ command?
- Arithmetic Answer 2
- Tripping up the B command
- Vector Answer 1
- Normalizing a vector
- Vector Answer 2
- Average position
- Matrix Answer 1
- Row and column sums
- Matrix Answer 2
- Symbolic system of equations
- Matrix Answer 3
- Over-determined system
- List Answer 1
- Powers of two
- List Answer 2
- Least-squares fit with matrices
- List Answer 3
- Geometric mean
- List Answer 4
- Divisor function
- List Answer 5
- Duplicate factors
- List Answer 6
- Triangular list
- List Answer 7
- Another triangular list
- List Answer 8
- Maximum of Bessel function
- List Answer 9
- Integers the hard way
- List Answer 10
- All elements equal
- List Answer 11
- Estimating pi with darts
- List Answer 12
- Estimating pi with matchsticks
- List Answer 13
- Hash codes
- List Answer 14
- Random walk
- Types Answer 1
- Square root of pi times rational
- Types Answer 2
- Infinities
- Types Answer 3
- What can "nan" be?
- Types Answer 4
- Abbey Road
- Types Answer 5
- Friday the 13th
- Types Answer 6
- Leap years
- Types Answer 7
- Erroneous donut
- Types Answer 8
- Dividing intervals
- Types Answer 9
- Squaring intervals
- Types Answer 10
- Fermat's primality test
- Types Answer 11
- pi * 10^7 seconds
- Types Answer 12
- Abbey Road on CD
- Types Answer 13
- Not quite pi * 10^7 seconds
- Types Answer 14
- Supercomputers and c
- Types Answer 15
- Sam the Slug
- Algebra Answer 1
- Squares and square roots
- Algebra Answer 2
- Building polynomial from roots
- Algebra Answer 3
- Integral of x sin(pi x)
- Algebra Answer 4
- Simpson's rule
- Rewrites Answer 1
- Multiplying by conjugate
- Rewrites Answer 2
- Alternative fib rule
- Rewrites Answer 3
- Rewriting opt(a) + opt(b) x
- Rewrites Answer 4
- Sequence of integers
- Rewrites Answer 5
- Number of terms in sum
- Rewrites Answer 6
- Defining 0^0 = 1
- Rewrites Answer 7
- Truncated Taylor series
- Programming Answer 1
- Fresnel's C(x)
- Programming Answer 2
- Negate third stack element
- Programming Answer 3
- Compute sin(x) / x, etc.
- Programming Answer 4
- Average value of a list
- Programming Answer 5
- Continued fraction phi
- Programming Answer 6
- Matrix Fibonacci numbers
- Programming Answer 7
- Harmonic number greater than 4
- Programming Answer 8
- Newton's method
- Programming Answer 9
- Digamma function
- Programming Answer 10
- Unpacking a polynomial
- Programming Answer 11
- Recursive Stirling numbers
- Programming Answer 12
- Stirling numbers with rewrites