nonvioce/mathtool2 @ 0260d705b38b83f66bbbf2fce5daf2d0a3fa0462

nonvioce 0260d705b3 卷积：每组的增删按钮贴着自己那组输入框		há 3 semanas atrás
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curve_plot_test.dart	8ca741db1e 参数方程绘图改成等比例：圆不再画成椭圆	há 4 semanas atrás
expr_node_test.dart	c8f9197bc9 修相邻字面量粘成一个符号（会静默算错）；键盘换两个常量键	há 4 semanas atrás
expr_parse_test.dart	ecc6acaf69 键盘扩到 8 行：加矩阵键和 a/b/t	há 4 semanas atrás
widget_test.dart	0260d705b3 卷积：每组的增删按钮贴着自己那组输入框	há 3 semanas atrás