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GNU Emacs Calc 2.02 Manual

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3.7 Answers to Exercises

This section includes answers to all the exercises in the Calc tutorial.

3.7.1 RPN Tutorial Exercise 1  1 RET 2 RET 3 RET 4 + * -
3.7.2 RPN Tutorial Exercise 2  2*4 + 7*9.5 + 5/4
3.7.3 RPN Tutorial Exercise 3  Operating on levels 2 and 3
3.7.4 RPN Tutorial Exercise 4  Joe's complex problems
3.7.5 Algebraic Entry Tutorial Exercise 1  Simulating Q command
3.7.6 Algebraic Entry Tutorial Exercise 2  Joe's algebraic woes
3.7.7 Algebraic Entry Tutorial Exercise 3  1 / 0
3.7.8 Modes Tutorial Exercise 1  3#0.1 = 3#0.0222222?
3.7.9 Modes Tutorial Exercise 2  16#f.e8fe15
3.7.10 Modes Tutorial Exercise 3  Joe's rounding bug
3.7.11 Modes Tutorial Exercise 4  Why floating point?
3.7.12 Arithmetic Tutorial Exercise 1  Why the \ command?
3.7.13 Arithmetic Tutorial Exercise 2  Tripping up the B command
3.7.14 Vector Tutorial Exercise 1  Normalizing a vector
3.7.15 Vector Tutorial Exercise 2  Average position
3.7.16 Matrix Tutorial Exercise 1  Row and column sums
3.7.17 Matrix Tutorial Exercise 2  Symbolic system of equations
3.7.18 Matrix Tutorial Exercise 3  Over-determined system
3.7.19 List Tutorial Exercise 1  Powers of two
3.7.20 List Tutorial Exercise 2  Least-squares fit with matrices
3.7.21 List Tutorial Exercise 3  Geometric mean
3.7.22 List Tutorial Exercise 4  Divisor function
3.7.23 List Tutorial Exercise 5  Duplicate factors
3.7.24 List Tutorial Exercise 6  Triangular list
3.7.25 List Tutorial Exercise 7  Another triangular list
3.7.26 List Tutorial Exercise 8  Maximum of Bessel function
3.7.27 List Tutorial Exercise 9  Integers the hard way
3.7.28 List Tutorial Exercise 10  All elements equal
3.7.29 List Tutorial Exercise 11  Estimating pi with darts
3.7.30 List Tutorial Exercise 12  Estimating pi with matchsticks
3.7.31 List Tutorial Exercise 13  Hash codes
3.7.32 List Tutorial Exercise 14  Random walk
3.7.33 Types Tutorial Exercise 1  Square root of pi times rational
3.7.34 Types Tutorial Exercise 2  Infinities
3.7.35 Types Tutorial Exercise 3  What can "nan" be?
3.7.36 Types Tutorial Exercise 4  Abbey Road
3.7.37 Types Tutorial Exercise 5  Friday the 13th
3.7.38 Types Tutorial Exercise 6  Leap years
3.7.39 Types Tutorial Exercise 7  Erroneous donut
3.7.40 Types Tutorial Exercise 8  Dividing intervals
3.7.41 Types Tutorial Exercise 9  Squaring intervals
3.7.42 Types Tutorial Exercise 10  Fermat's primality test
3.7.43 Types Tutorial Exercise 11  pi * 10^7 seconds
3.7.44 Types Tutorial Exercise 12  Abbey Road on CD
3.7.45 Types Tutorial Exercise 13  Not quite pi * 10^7 seconds
3.7.46 Types Tutorial Exercise 14  Supercomputers and c
3.7.47 Types Tutorial Exercise 15  Sam the Slug
3.7.48 Algebra Tutorial Exercise 1  Squares and square roots
3.7.49 Algebra Tutorial Exercise 2  Building polynomial from roots
3.7.50 Algebra Tutorial Exercise 3  Integral of x sin(pi x)
3.7.51 Algebra Tutorial Exercise 4  Simpson's rule
3.7.52 Rewrites Tutorial Exercise 1  Multiplying by conjugate
3.7.53 Rewrites Tutorial Exercise 2  Alternative fib rule
3.7.54 Rewrites Tutorial Exercise 3  Rewriting opt(a) + opt(b) x
3.7.55 Rewrites Tutorial Exercise 4  Sequence of integers
3.7.56 Rewrites Tutorial Exercise 5  Number of terms in sum
3.7.57 Rewrites Tutorial Exercise 6  Defining 0^0 = 1
3.7.58 Rewrites Tutorial Exercise 7  Truncated Taylor series
3.7.59 Programming Tutorial Exercise 1  Fresnel's C(x)
3.7.60 Programming Tutorial Exercise 2  Negate third stack element
3.7.61 Programming Tutorial Exercise 3  Compute sin(x) / x, etc.
3.7.62 Programming Tutorial Exercise 4  Average value of a list
3.7.63 Programming Tutorial Exercise 5  Continued fraction phi
3.7.64 Programming Tutorial Exercise 6  Matrix Fibonacci numbers
3.7.65 Programming Tutorial Exercise 7  Harmonic number greater than 4
3.7.66 Programming Tutorial Exercise 8  Newton's method
3.7.67 Programming Tutorial Exercise 9  Digamma function
3.7.68 Programming Tutorial Exercise 10  Unpacking a polynomial
3.7.69 Programming Tutorial Exercise 11  Recursive Stirling numbers
3.7.70 Programming Tutorial Exercise 12  Stirling numbers with rewrites


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