n.[医](脑伤或疾病所致的)计算困难；计算障碍
Memory is another issue.Children with dyscalculia may not remember the correct order of operations to follow in solving math problems. 记忆是另一件事情，换计算困难症的孩子可能无法记忆解数学题的正确步骤。
The name for this is Dyscalculia. 它的名字就叫做计算障碍。
