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test.md

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Test file

1st Test

INPUT: LET F = 2X + 4
F = 2X+4
INPUT: PRINT F
F = 2X+4
INPUT: EVAL F(1/4)
F(1/4) = 9/2
INPUT: LET G = 3X^2
G = 3X^2+0
INPUT: PRINT G
G = 3X^2+0
INPUT: LET H = 4X^1/3
H = 4X^1/3+0
INPUT: A = G + H
INPUT: PRINT A
A = 3X^2+4X^1/3+0
INPUT: B = G - H
INPUT: PRINT B
B = 3X^2+4X^1/3+0
INPUT: C = G * H
INPUT: PRINT C
C = 12x^7/3+0x^2+0x^1/3+0
INPUT: D = G'
INPUT: PRINT D
D = 6x+0x^-1
INPUT: E = G''
INPUT: PRINT E
E = 6+0x^-2
INPUT: F = H'''
INPUT: PRINT F
F = 40/27x^-8/3+0x^-3
INPUT: LET I = 1/2
I = 1/2
INPUT: LET I = 1.2
I = 17/10
INPUT: LET I = 1.2
I = 29/10
INPUT: LET J = 1.2
J = 6/5
INPUT: LET J = 0
J = 6/5
INPUT: LET H = 3X
H = 3X+4X^1/3+0
INPUT: LET K = 3X
K = 3X+0
INPUT:

Problems:

  • algebra: needs auto printing result
  • expression::combineterms : needs to auto delete when coeff == 0
  • expression: - operator: not working
  • expression string setExp: why is it being added to the expression? should overwrite
  • getCommand: terminate when cin has only \n