文字式の電卓2.py【展開・因数分解・方程式・不等式】

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About this app

① This calculator app is mainly for calculating character expressions (expansion, factorization, etc.) at the level of textbooks for middle school and high school mathematics.

② It may be possible to calculate some calculations for university mathematics, professional mathematics, etc., but basically, we believe that this calculator app is sufficient as long as it can perform calculations for junior high school mathematics and high school mathematics, so we would appreciate it if you included it in advance.

③ This calculator app uses Python's "math", "cmath", and "SymPy".

④ For example, when calculating the trigonometric function sin 30°, it is necessary to add ``math.'', ``cmath.'', or ``sp.'' before ``sin'', such as math.sin[30°], cmath.sin[30°], sp.sin[30°], which is a rather unusual input method. For those who are not familiar with programming such as Python, I think it may not be very easy to use, so I would appreciate it if you could include it in advance.

④ For example, to solve the quadratic equation x²+3x+1=0, the input method would be "x²+3x+1=0, solution, total". If you do not input the formula transformation yourself, you will not be able to obtain the expected calculation results, so we would appreciate it if you could include it in advance.