mirror of
https://github.com/nbrooks211/zommath2
synced 2024-12-24 13:24:38 -05:00
58 lines
1.2 KiB
Python
58 lines
1.2 KiB
Python
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from math import sqrt
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def bogocalc(buy, get, discount, price):
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total = buy + get
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buy_cost = buy * price
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get_cost = get * price
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unitprice = buy_cost + get_cost * (1 - discount / 100)
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return unitprice / total
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class Quadratic:
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def __init__(self, a=None, b=None, c=None):
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self._a = a
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self._b = b
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self._c = c
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def set_nums(self, a, b, c):
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self._a = a
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self._b = b
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self._c = c
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def deter(self):
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return self._b**2 - 4 * self._a * self._c
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def plusans(self):
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top_plus = self._b - sqrt(self.deter())
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plus_ans = top_plus / (2 * self._a)
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return plus_ans
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def minusans(self):
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top_minus = self._b + sqrt(self.deter())
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minus_ans = top_minus / (2 * self._a)
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return minus_ans
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def __str__(self):
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return f"{self._a}x^2 + {self._b}x + {self._c}"
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if __name__ == "__main__":
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q = Quadratic(1, 2, -3)
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print(f"-2 ± √({q.deter()})")
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for a in range(1, 10):
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q.set_nums(a, 2, -3)
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print(f"Solving: {q}")
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print(f"Plus ans: {q.plusans()}")
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print(f"Minus ans: {q.minusans()}")
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print(f"Determinant: {q.deter()}")
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#3 for 3 sale
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#buy x get y z% off`
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