MathStringExpression
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objective-c计算数学表达(算术表达式)式框架，开发iOS计算器/Framework of analytical math expressions

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Results 2 MathStringExpression issues

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计算大数乘法出错

777777*9999999结果是7777769222223.000576 `- (NSString *)createResultString:(NSString *)calcuStr{ NSDecimalNumber *decimalResult = [MSParser parserComputeNumberExpression:calcuStr error:nil]; NSInteger decimalNum = 9; NSDecimal decimal = decimalResult.decimalValue; NSDecimal desDecimal; NSDecimalRound(&desDecimal, &decimal ,decimalNum, NSRoundPlain); NSDecimalNumber *result = [NSDecimalNumber decimalNumberWithDecimal:desDecimal];...

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